{
 "slug": "inness-conway-meadows",
 "painting": {
  "artist": "George Inness",
  "title": "Saco Ford: Conway Meadows",
  "catalogued_year": 1876,
  "holder": "Mount Holyoke College Art Museum",
  "accession": "1883.55.I(b).PI",
  "medium": "Oil on canvas",
  "credit": "Gift of Ellen W. Ayer",
  "open_image": null,
  "image_reason": "no_verified_open_reproduction_licence"
 },
 "window": {
  "start": "1875-06-01",
  "end": "1875-08-31",
  "days": 92,
  "basis": "Calendar summer of the documented 1875 Conway campaign; June 1 notice is known through a modern transcription. June 1–August 31 is a seasonal comparison frame, not documented arrival/departure or execution dates."
 },
 "station": {
  "name": "Portland, Maine",
  "id": "USC00176902",
  "mrcc_id": "176902",
  "lat": 43.65667,
  "lon": -70.25333,
  "site": "4 Exchange Street, November 1871–September 1875",
  "km_to_town": 82.9,
  "role": "Coastal regional context, not a Conway observation",
  "daily_accumulation_boundary": null,
  "boundary_reason": "PRCP-99_time_unknown_in_MRCC",
  "file_precipitation_years": [
   1871,
   1940
  ]
 },
 "place": {
  "name": "North Conway town reference point, not the painted viewpoint",
  "lat": 44.05368,
  "lon": -71.1284
 },
 "weather": {
  "months": [
   {
    "month": 6,
    "days": 30,
    "recorded_at_least_1mm": 7,
    "positive_entries": 10,
    "presumed_zero_entries": 20,
    "total_mm": null,
    "total_reason": "presumed_zeros_not_confirmed_dry_days"
   },
   {
    "month": 7,
    "days": 31,
    "recorded_at_least_1mm": 6,
    "positive_entries": 13,
    "presumed_zero_entries": 18,
    "total_mm": null,
    "total_reason": "presumed_zeros_not_confirmed_dry_days"
   },
   {
    "month": 8,
    "days": 31,
    "recorded_at_least_1mm": 8,
    "positive_entries": 10,
    "presumed_zero_entries": 21,
    "total_mm": null,
    "total_reason": "presumed_zeros_not_confirmed_dry_days"
   }
  ],
  "recorded_at_least_1mm": 21,
  "positive_entries": 33,
  "presumed_zero_entries": 59,
  "interpretation": "Counts of recorded amounts at least 1 mm; not a count of all rainy days or thunderstorms. No totals, dry-spell length, ranking or modern anomaly is inferred from presumed zeros."
 },
 "series": [
  {
   "date": "1875-06-01",
   "source_reported_mm": 0.0,
   "measurement_flag": "P",
   "quality_flag": "",
   "source_flag": "0",
   "accepted_mm": null,
   "null_reason": "missing_presumed_zero",
   "mrcc_reported_in": 0.0,
   "mrcc_reported_mm": 0.0,
   "transcriptions_disagree": false,
   "recorded_at_least_1mm": false
  },
  {
   "date": "1875-06-02",
   "source_reported_mm": 0.0,
   "measurement_flag": "P",
   "quality_flag": "",
   "source_flag": "0",
   "accepted_mm": null,
   "null_reason": "missing_presumed_zero",
   "mrcc_reported_in": 0.0,
   "mrcc_reported_mm": 0.0,
   "transcriptions_disagree": false,
   "recorded_at_least_1mm": false
  },
  {
   "date": "1875-06-03",
   "source_reported_mm": 0.0,
   "measurement_flag": "P",
   "quality_flag": "",
   "source_flag": "0",
   "accepted_mm": null,
   "null_reason": "missing_presumed_zero",
   "mrcc_reported_in": 0.0,
   "mrcc_reported_mm": 0.0,
   "transcriptions_disagree": false,
   "recorded_at_least_1mm": false
  },
  {
   "date": "1875-06-04",
   "source_reported_mm": 0.3,
   "measurement_flag": "",
   "quality_flag": "",
   "source_flag": "0",
   "accepted_mm": 0.3,
   "null_reason": null,
   "mrcc_reported_in": 0.01,
   "mrcc_reported_mm": 0.254,
   "transcriptions_disagree": false,
   "recorded_at_least_1mm": false
  },
  {
   "date": "1875-06-05",
   "source_reported_mm": 0.0,
   "measurement_flag": "P",
   "quality_flag": "",
   "source_flag": "0",
   "accepted_mm": null,
   "null_reason": "missing_presumed_zero",
   "mrcc_reported_in": 0.0,
   "mrcc_reported_mm": 0.0,
   "transcriptions_disagree": false,
   "recorded_at_least_1mm": false
  },
  {
   "date": "1875-06-06",
   "source_reported_mm": 0.0,
   "measurement_flag": "P",
   "quality_flag": "",
   "source_flag": "0",
   "accepted_mm": null,
   "null_reason": "missing_presumed_zero",
   "mrcc_reported_in": 0.0,
   "mrcc_reported_mm": 0.0,
   "transcriptions_disagree": false,
   "recorded_at_least_1mm": false
  },
  {
   "date": "1875-06-07",
   "source_reported_mm": 4.6,
   "measurement_flag": "",
   "quality_flag": "",
   "source_flag": "0",
   "accepted_mm": 4.6,
   "null_reason": null,
   "mrcc_reported_in": 0.18,
   "mrcc_reported_mm": 4.572,
   "transcriptions_disagree": false,
   "recorded_at_least_1mm": true
  },
  {
   "date": "1875-06-08",
   "source_reported_mm": 0.0,
   "measurement_flag": "P",
   "quality_flag": "",
   "source_flag": "0",
   "accepted_mm": null,
   "null_reason": "missing_presumed_zero",
   "mrcc_reported_in": 0.0,
   "mrcc_reported_mm": 0.0,
   "transcriptions_disagree": false,
   "recorded_at_least_1mm": false
  },
  {
   "date": "1875-06-09",
   "source_reported_mm": 0.5,
   "measurement_flag": "",
   "quality_flag": "",
   "source_flag": "0",
   "accepted_mm": 0.5,
   "null_reason": null,
   "mrcc_reported_in": 0.02,
   "mrcc_reported_mm": 0.508,
   "transcriptions_disagree": false,
   "recorded_at_least_1mm": false
  },
  {
   "date": "1875-06-10",
   "source_reported_mm": 63.5,
   "measurement_flag": "",
   "quality_flag": "",
   "source_flag": "0",
   "accepted_mm": 63.5,
   "null_reason": null,
   "mrcc_reported_in": 2.5,
   "mrcc_reported_mm": 63.5,
   "transcriptions_disagree": false,
   "recorded_at_least_1mm": true
  },
  {
   "date": "1875-06-11",
   "source_reported_mm": 0.0,
   "measurement_flag": "P",
   "quality_flag": "",
   "source_flag": "0",
   "accepted_mm": null,
   "null_reason": "missing_presumed_zero",
   "mrcc_reported_in": 0.0,
   "mrcc_reported_mm": 0.0,
   "transcriptions_disagree": false,
   "recorded_at_least_1mm": false
  },
  {
   "date": "1875-06-12",
   "source_reported_mm": 0.0,
   "measurement_flag": "P",
   "quality_flag": "",
   "source_flag": "0",
   "accepted_mm": null,
   "null_reason": "missing_presumed_zero",
   "mrcc_reported_in": 0.0,
   "mrcc_reported_mm": 0.0,
   "transcriptions_disagree": false,
   "recorded_at_least_1mm": false
  },
  {
   "date": "1875-06-13",
   "source_reported_mm": 2.3,
   "measurement_flag": "",
   "quality_flag": "",
   "source_flag": "0",
   "accepted_mm": 2.3,
   "null_reason": null,
   "mrcc_reported_in": 0.09,
   "mrcc_reported_mm": 2.286,
   "transcriptions_disagree": false,
   "recorded_at_least_1mm": true
  },
  {
   "date": "1875-06-14",
   "source_reported_mm": 0.0,
   "measurement_flag": "P",
   "quality_flag": "",
   "source_flag": "0",
   "accepted_mm": null,
   "null_reason": "missing_presumed_zero",
   "mrcc_reported_in": 0.0,
   "mrcc_reported_mm": 0.0,
   "transcriptions_disagree": false,
   "recorded_at_least_1mm": false
  },
  {
   "date": "1875-06-15",
   "source_reported_mm": 0.0,
   "measurement_flag": "P",
   "quality_flag": "",
   "source_flag": "0",
   "accepted_mm": null,
   "null_reason": "missing_presumed_zero",
   "mrcc_reported_in": 0.0,
   "mrcc_reported_mm": 0.0,
   "transcriptions_disagree": false,
   "recorded_at_least_1mm": false
  },
  {
   "date": "1875-06-16",
   "source_reported_mm": 0.0,
   "measurement_flag": "P",
   "quality_flag": "",
   "source_flag": "0",
   "accepted_mm": null,
   "null_reason": "missing_presumed_zero",
   "mrcc_reported_in": 0.0,
   "mrcc_reported_mm": 0.0,
   "transcriptions_disagree": false,
   "recorded_at_least_1mm": false
  },
  {
   "date": "1875-06-17",
   "source_reported_mm": 0.0,
   "measurement_flag": "P",
   "quality_flag": "",
   "source_flag": "0",
   "accepted_mm": null,
   "null_reason": "missing_presumed_zero",
   "mrcc_reported_in": 0.0,
   "mrcc_reported_mm": 0.0,
   "transcriptions_disagree": false,
   "recorded_at_least_1mm": false
  },
  {
   "date": "1875-06-18",
   "source_reported_mm": 31.8,
   "measurement_flag": "",
   "quality_flag": "",
   "source_flag": "0",
   "accepted_mm": 31.8,
   "null_reason": null,
   "mrcc_reported_in": 1.25,
   "mrcc_reported_mm": 31.75,
   "transcriptions_disagree": false,
   "recorded_at_least_1mm": true
  },
  {
   "date": "1875-06-19",
   "source_reported_mm": 14.2,
   "measurement_flag": "",
   "quality_flag": "",
   "source_flag": "0",
   "accepted_mm": 14.2,
   "null_reason": null,
   "mrcc_reported_in": 0.56,
   "mrcc_reported_mm": 14.224,
   "transcriptions_disagree": false,
   "recorded_at_least_1mm": true
  },
  {
   "date": "1875-06-20",
   "source_reported_mm": 0.0,
   "measurement_flag": "P",
   "quality_flag": "",
   "source_flag": "0",
   "accepted_mm": null,
   "null_reason": "missing_presumed_zero",
   "mrcc_reported_in": 0.0,
   "mrcc_reported_mm": 0.0,
   "transcriptions_disagree": false,
   "recorded_at_least_1mm": false
  },
  {
   "date": "1875-06-21",
   "source_reported_mm": 0.0,
   "measurement_flag": "P",
   "quality_flag": "",
   "source_flag": "0",
   "accepted_mm": null,
   "null_reason": "missing_presumed_zero",
   "mrcc_reported_in": 0.0,
   "mrcc_reported_mm": 0.0,
   "transcriptions_disagree": false,
   "recorded_at_least_1mm": false
  },
  {
   "date": "1875-06-22",
   "source_reported_mm": 0.0,
   "measurement_flag": "P",
   "quality_flag": "",
   "source_flag": "0",
   "accepted_mm": null,
   "null_reason": "missing_presumed_zero",
   "mrcc_reported_in": 0.0,
   "mrcc_reported_mm": 0.0,
   "transcriptions_disagree": false,
   "recorded_at_least_1mm": false
  },
  {
   "date": "1875-06-23",
   "source_reported_mm": 0.0,
   "measurement_flag": "P",
   "quality_flag": "",
   "source_flag": "0",
   "accepted_mm": null,
   "null_reason": "missing_presumed_zero",
   "mrcc_reported_in": 0.0,
   "mrcc_reported_mm": 0.0,
   "transcriptions_disagree": false,
   "recorded_at_least_1mm": false
  },
  {
   "date": "1875-06-24",
   "source_reported_mm": 0.0,
   "measurement_flag": "P",
   "quality_flag": "",
   "source_flag": "0",
   "accepted_mm": null,
   "null_reason": "missing_presumed_zero",
   "mrcc_reported_in": 0.0,
   "mrcc_reported_mm": 0.0,
   "transcriptions_disagree": false,
   "recorded_at_least_1mm": false
  },
  {
   "date": "1875-06-25",
   "source_reported_mm": 0.5,
   "measurement_flag": "",
   "quality_flag": "",
   "source_flag": "0",
   "accepted_mm": 0.5,
   "null_reason": null,
   "mrcc_reported_in": 0.02,
   "mrcc_reported_mm": 0.508,
   "transcriptions_disagree": false,
   "recorded_at_least_1mm": false
  },
  {
   "date": "1875-06-26",
   "source_reported_mm": 19.1,
   "measurement_flag": "",
   "quality_flag": "",
   "source_flag": "0",
   "accepted_mm": 19.1,
   "null_reason": null,
   "mrcc_reported_in": 0.75,
   "mrcc_reported_mm": 19.05,
   "transcriptions_disagree": false,
   "recorded_at_least_1mm": true
  },
  {
   "date": "1875-06-27",
   "source_reported_mm": 0.0,
   "measurement_flag": "P",
   "quality_flag": "",
   "source_flag": "0",
   "accepted_mm": null,
   "null_reason": "missing_presumed_zero",
   "mrcc_reported_in": 0.0,
   "mrcc_reported_mm": 0.0,
   "transcriptions_disagree": false,
   "recorded_at_least_1mm": false
  },
  {
   "date": "1875-06-28",
   "source_reported_mm": 0.0,
   "measurement_flag": "P",
   "quality_flag": "",
   "source_flag": "0",
   "accepted_mm": null,
   "null_reason": "missing_presumed_zero",
   "mrcc_reported_in": 0.0,
   "mrcc_reported_mm": 0.0,
   "transcriptions_disagree": false,
   "recorded_at_least_1mm": false
  },
  {
   "date": "1875-06-29",
   "source_reported_mm": 0.0,
   "measurement_flag": "P",
   "quality_flag": "",
   "source_flag": "0",
   "accepted_mm": null,
   "null_reason": "missing_presumed_zero",
   "mrcc_reported_in": 0.0,
   "mrcc_reported_mm": 0.0,
   "transcriptions_disagree": false,
   "recorded_at_least_1mm": false
  },
  {
   "date": "1875-06-30",
   "source_reported_mm": 3.3,
   "measurement_flag": "",
   "quality_flag": "",
   "source_flag": "0",
   "accepted_mm": 3.3,
   "null_reason": null,
   "mrcc_reported_in": 0.13,
   "mrcc_reported_mm": 3.302,
   "transcriptions_disagree": false,
   "recorded_at_least_1mm": true
  },
  {
   "date": "1875-07-01",
   "source_reported_mm": 0.0,
   "measurement_flag": "P",
   "quality_flag": "",
   "source_flag": "0",
   "accepted_mm": null,
   "null_reason": "missing_presumed_zero",
   "mrcc_reported_in": 0.0,
   "mrcc_reported_mm": 0.0,
   "transcriptions_disagree": false,
   "recorded_at_least_1mm": false
  },
  {
   "date": "1875-07-02",
   "source_reported_mm": 0.0,
   "measurement_flag": "P",
   "quality_flag": "",
   "source_flag": "0",
   "accepted_mm": null,
   "null_reason": "missing_presumed_zero",
   "mrcc_reported_in": 0.0,
   "mrcc_reported_mm": 0.0,
   "transcriptions_disagree": false,
   "recorded_at_least_1mm": false
  },
  {
   "date": "1875-07-03",
   "source_reported_mm": 0.0,
   "measurement_flag": "P",
   "quality_flag": "",
   "source_flag": "0",
   "accepted_mm": null,
   "null_reason": "missing_presumed_zero",
   "mrcc_reported_in": 0.0,
   "mrcc_reported_mm": 0.0,
   "transcriptions_disagree": false,
   "recorded_at_least_1mm": false
  },
  {
   "date": "1875-07-04",
   "source_reported_mm": 2.5,
   "measurement_flag": "",
   "quality_flag": "",
   "source_flag": "0",
   "accepted_mm": 2.5,
   "null_reason": null,
   "mrcc_reported_in": 0.1,
   "mrcc_reported_mm": 2.54,
   "transcriptions_disagree": false,
   "recorded_at_least_1mm": true
  },
  {
   "date": "1875-07-05",
   "source_reported_mm": 0.0,
   "measurement_flag": "P",
   "quality_flag": "",
   "source_flag": "0",
   "accepted_mm": null,
   "null_reason": "missing_presumed_zero",
   "mrcc_reported_in": 0.0,
   "mrcc_reported_mm": 0.0,
   "transcriptions_disagree": false,
   "recorded_at_least_1mm": false
  },
  {
   "date": "1875-07-06",
   "source_reported_mm": 13.5,
   "measurement_flag": "",
   "quality_flag": "",
   "source_flag": "0",
   "accepted_mm": null,
   "null_reason": "transcriptions_disagree",
   "mrcc_reported_in": 0.5,
   "mrcc_reported_mm": 12.7,
   "transcriptions_disagree": true,
   "recorded_at_least_1mm": true
  },
  {
   "date": "1875-07-07",
   "source_reported_mm": 3.0,
   "measurement_flag": "",
   "quality_flag": "",
   "source_flag": "0",
   "accepted_mm": 3.0,
   "null_reason": null,
   "mrcc_reported_in": 0.12,
   "mrcc_reported_mm": 3.048,
   "transcriptions_disagree": false,
   "recorded_at_least_1mm": true
  },
  {
   "date": "1875-07-08",
   "source_reported_mm": 0.0,
   "measurement_flag": "P",
   "quality_flag": "",
   "source_flag": "0",
   "accepted_mm": null,
   "null_reason": "missing_presumed_zero",
   "mrcc_reported_in": 0.0,
   "mrcc_reported_mm": 0.0,
   "transcriptions_disagree": false,
   "recorded_at_least_1mm": false
  },
  {
   "date": "1875-07-09",
   "source_reported_mm": 0.3,
   "measurement_flag": "",
   "quality_flag": "",
   "source_flag": "0",
   "accepted_mm": 0.3,
   "null_reason": null,
   "mrcc_reported_in": 0.01,
   "mrcc_reported_mm": 0.254,
   "transcriptions_disagree": false,
   "recorded_at_least_1mm": false
  },
  {
   "date": "1875-07-10",
   "source_reported_mm": 10.2,
   "measurement_flag": "",
   "quality_flag": "",
   "source_flag": "0",
   "accepted_mm": 10.2,
   "null_reason": null,
   "mrcc_reported_in": 0.4,
   "mrcc_reported_mm": 10.16,
   "transcriptions_disagree": false,
   "recorded_at_least_1mm": true
  },
  {
   "date": "1875-07-11",
   "source_reported_mm": 0.0,
   "measurement_flag": "P",
   "quality_flag": "",
   "source_flag": "0",
   "accepted_mm": null,
   "null_reason": "missing_presumed_zero",
   "mrcc_reported_in": 0.0,
   "mrcc_reported_mm": 0.0,
   "transcriptions_disagree": false,
   "recorded_at_least_1mm": false
  },
  {
   "date": "1875-07-12",
   "source_reported_mm": 0.0,
   "measurement_flag": "P",
   "quality_flag": "",
   "source_flag": "0",
   "accepted_mm": null,
   "null_reason": "missing_presumed_zero",
   "mrcc_reported_in": 0.0,
   "mrcc_reported_mm": 0.0,
   "transcriptions_disagree": false,
   "recorded_at_least_1mm": false
  },
  {
   "date": "1875-07-13",
   "source_reported_mm": 0.8,
   "measurement_flag": "",
   "quality_flag": "",
   "source_flag": "0",
   "accepted_mm": 0.8,
   "null_reason": null,
   "mrcc_reported_in": 0.03,
   "mrcc_reported_mm": 0.762,
   "transcriptions_disagree": false,
   "recorded_at_least_1mm": false
  },
  {
   "date": "1875-07-14",
   "source_reported_mm": 0.0,
   "measurement_flag": "P",
   "quality_flag": "",
   "source_flag": "0",
   "accepted_mm": null,
   "null_reason": "missing_presumed_zero",
   "mrcc_reported_in": 0.0,
   "mrcc_reported_mm": 0.0,
   "transcriptions_disagree": false,
   "recorded_at_least_1mm": false
  },
  {
   "date": "1875-07-15",
   "source_reported_mm": 0.0,
   "measurement_flag": "P",
   "quality_flag": "",
   "source_flag": "0",
   "accepted_mm": null,
   "null_reason": "missing_presumed_zero",
   "mrcc_reported_in": 0.0,
   "mrcc_reported_mm": 0.0,
   "transcriptions_disagree": false,
   "recorded_at_least_1mm": false
  },
  {
   "date": "1875-07-16",
   "source_reported_mm": 0.5,
   "measurement_flag": "",
   "quality_flag": "",
   "source_flag": "0",
   "accepted_mm": 0.5,
   "null_reason": null,
   "mrcc_reported_in": 0.02,
   "mrcc_reported_mm": 0.508,
   "transcriptions_disagree": false,
   "recorded_at_least_1mm": false
  },
  {
   "date": "1875-07-17",
   "source_reported_mm": 0.3,
   "measurement_flag": "",
   "quality_flag": "",
   "source_flag": "0",
   "accepted_mm": 0.3,
   "null_reason": null,
   "mrcc_reported_in": 0.01,
   "mrcc_reported_mm": 0.254,
   "transcriptions_disagree": false,
   "recorded_at_least_1mm": false
  },
  {
   "date": "1875-07-18",
   "source_reported_mm": 0.3,
   "measurement_flag": "",
   "quality_flag": "",
   "source_flag": "0",
   "accepted_mm": 0.3,
   "null_reason": null,
   "mrcc_reported_in": 0.01,
   "mrcc_reported_mm": 0.254,
   "transcriptions_disagree": false,
   "recorded_at_least_1mm": false
  },
  {
   "date": "1875-07-19",
   "source_reported_mm": 0.0,
   "measurement_flag": "P",
   "quality_flag": "",
   "source_flag": "0",
   "accepted_mm": null,
   "null_reason": "missing_presumed_zero",
   "mrcc_reported_in": 0.0,
   "mrcc_reported_mm": 0.0,
   "transcriptions_disagree": false,
   "recorded_at_least_1mm": false
  },
  {
   "date": "1875-07-20",
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   "quality_flag": "",
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  },
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  },
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  },
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   "date": "1875-07-23",
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   "source_flag": "0",
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  },
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  },
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  },
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   "date": "1875-08-05",
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   "source_flag": "0",
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   "mrcc_reported_mm": 8.128,
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   "recorded_at_least_1mm": true
  },
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   "date": "1875-08-06",
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  },
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   "date": "1875-08-13",
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   "mrcc_reported_mm": 1.016,
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 "witnesses": {
  "visit": {
   "text": "George Inness and son, and John A. Monks are at the Kearsarge House, North Conway, sketching in the vicinity.",
   "date": "1875-06-01",
   "source": "Boston Evening Transcript, 1 June 1875, as transcribed by White Mountain Art & Artists; original issue not inspected."
  },
  "smoke": {
   "text": "smoke or steam rather than clouds",
   "source": "Mount Holyoke College Art Museum, Look and Learn, p. 5; indexed text, original PDF unavailable."
  },
  "museum_date": {
   "text": "in 1876 after he spent the summer there.",
   "source": "Mount Holyoke College Art Museum, Look and Learn, p. 5; indexed text."
  },
  "emphasis": {
   "text": "from natural monuments to natural moments",
   "source": "Nicolai Cikovsky (1985), p. 128, quoted in Christie’s North Conway lot essay; about the campaign, not an execution record for this canvas."
  },
  "herbert": {
   "text": "Painted the summer before Williston opened",
   "source": "Robert L. Herbert, History of Art at Mount Holyoke College (2018), pp. 3, 4, 6; Williston opened in November 1876, so the preceding summer is consistent with the museum’s 1876 date."
  },
  "railway": {
   "text": "The 9.00 A. M. Train from Portland connects at Conway Junction with the 8.00 A. M. train from Boston for North Conway.",
   "source": "Portland Daily Press, 7 July 1875, p. 4, Eastern Railroad advertisement"
  }
 },
 "unresolved": {
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  "painted_day_reason": "no_object_specific_dated_field_record",
  "execution_place": null,
  "execution_place_reason": "field_or_studio_not_established_for_this_canvas",
  "local_weather": null,
  "local_weather_reason": "no_accepted_North_Conway_daily_weather_series",
  "white_forms_identity": null,
  "white_forms_reason": "museum_interpretation_is_conditional",
  "climate_rank": null,
  "rank_reason": "presumed_zeros_and_unresolved_transcription_difference",
  "modern_normal": null,
  "normal_reason": "no_like_for_like_baseline_required_for_recorded_event_counts"
 },
 "receipts": {
  "museum": {
   "title": "Mount Holyoke College Art Museum, Art of the United States",
   "url": "https://artmuseum.mtholyoke.edu/collection/art-united-states/",
   "sha256": "d77dd509f3fb794d0792748fec61ba23d2f31b643cc53ef5b67001fec865a051",
   "retrieved_at": "2026-10-07",
   "license": "Copyrighted museum text; factual reference only; images require permission",
   "locator": "Saco Ford: Conway Meadows listing"
  },
  "museum-report": {
   "title": "Mount Holyoke College Art Museum, Annual Report 2016–2017",
   "url": "https://artmuseum.mtholyoke.edu/wp-content/uploads/old_pdfs/2016-17_annual_report.pdf",
   "sha256": "7be7b0ee359de4db1e484e479f620fde7a1d40f435d20246e952adfbd7dfc1b4",
   "retrieved_at": "2026-10-07",
   "license": "Copyrighted museum publication; factual reference only",
   "locator": "p. 11, loans"
  },
  "museum-report-text": {
   "title": "Text extracted from the museum annual report",
   "url": "https://artmuseum.mtholyoke.edu/wp-content/uploads/old_pdfs/2016-17_annual_report.pdf",
   "sha256": "a20689249da14db363c28493f7532bc6571348ddcdec51fd9ef0034cc857e975",
   "retrieved_at": "2026-10-07",
   "license": "Copyrighted museum publication; factual reference only",
   "locator": "p. 11; local PyMuPDF extraction"
  },
  "guide": {
   "title": "Mount Holyoke, Look and Learn, indexed text of p. 5",
   "url": "https://artmuseum.mtholyoke.edu/sites/default/files/families_tour_look_and_learn_0.pdf",
   "sha256": "cf52e264f3a48f9963cd2eb23d0e7f640268577cc88341141562e993d03141fe",
   "retrieved_at": "2026-10-07",
   "license": "Copyrighted museum text; short excerpts only",
   "locator": "Search-index text inspected and cached; original PDF returned 404, not inspected"
  },
  "notice": {
   "title": "Boston Evening Transcript, 1 June 1875, quoted by White Mountain Art & Artists",
   "url": "https://www.whitemountainart.com/about-3/artists/j-a-s-monks/",
   "sha256": "219dd7b6a7e706965d66db6c3b45a424563793d3de145bc1e5905c3510d0d042",
   "retrieved_at": "2026-10-07",
   "license": "Public-domain newspaper words in a copyrighted modern transcription",
   "locator": "Biography of J. A. S. Monks; newspaper page number and original scan not verified; cached web-tool rendering"
  },
  "campaign": {
   "title": "Christie’s, Conway Valley, lot essay citing Michael Quick (2007)",
   "url": "https://www.christies.com/en/lot/lot-5436877",
   "sha256": "22891ea681b742893b68674c9c0e030637cec5b59a64d1defa6770c0a482b8dc",
   "retrieved_at": "2026-10-07",
   "license": "Copyrighted lot essay; brief excerpt and paraphrase only",
   "locator": "1875 campaign; this lot is a different painting"
  },
  "interpretation": {
   "title": "Christie’s, North Conway, quoting Nicolai Cikovsky (1985), p. 128",
   "url": "https://www.christies.com/en/lot/lot-4194671",
   "sha256": "8667e8cfa4a6ff583a01381f098dabbde4b69dfcb7ba6c77eeeb61ce41558f83",
   "retrieved_at": "2026-10-07",
   "license": "Copyrighted lot essay; brief excerpt and paraphrase only",
   "locator": "Cikovsky’s interpretation of the Conway campaign; essay also names the Mount Holyoke painting"
  },
  "herbert": {
   "title": "Robert L. Herbert, History of Art at Mount Holyoke College, 1872–1914 (2018)",
   "url": "https://ida.mtholyoke.edu/server/api/core/bitstreams/7e8f27df-c038-47c7-9e13-7f7ee567ad19/content",
   "sha256": "adfc7083869c872b407e348d9637ea11fd6cc0757d30fe1ea58c6531d30ccd47",
   "retrieved_at": "2026-10-07",
   "license": "Copyrighted scholarly text, freely provided by Mount Holyoke; brief excerpt and paraphrase only",
   "locator": "pp. 3, 4, 6; November 1876 opening (p. 3) and relative summer execution account"
  },
  "herbert-text": {
   "title": "Text extracted from Herbert (2018)",
   "url": "https://ida.mtholyoke.edu/server/api/core/bitstreams/7e8f27df-c038-47c7-9e13-7f7ee567ad19/content",
   "sha256": "45ec06c1c9d5ed18e6cdd52a13be9ecfd6d5bae664cc0b9e899123b39924a761",
   "retrieved_at": "2026-10-07",
   "license": "Copyrighted scholarly text; brief excerpt and paraphrase only",
   "locator": "p. 6; local PyMuPDF extraction"
  },
  "portland": {
   "title": "NOAA/NCEI GHCN-Daily, Portland, Maine, USC00176902",
   "url": "https://www.ncei.noaa.gov/pub/data/ghcn/daily/all/USC00176902.dly",
   "sha256": "a7850acbddcc6edde5f32347110bb88cb6e74dad65d385aef148e1a476fbece4",
   "retrieved_at": "2026-10-07",
   "license": "U.S. federal data; credit NOAA/NCEI",
   "locator": "PRCP, June–August 1875; P flags retained as missing presumed zero"
  },
  "format": {
   "title": "NOAA/NCEI GHCN-Daily format and flag definitions",
   "url": "https://www.ncei.noaa.gov/pub/data/ghcn/daily/readme.txt",
   "sha256": "0e4e6f0e6947cf1add884c328a01760f31c56ef5fb86b85ed57dd5dc4c4aeaa6",
   "retrieved_at": "2026-10-07",
   "license": "U.S. federal documentation",
   "locator": "PRCP in tenths of mm; MFLAG P; QFLAG; SFLAG 0"
  },
  "portland-mrcc": {
   "title": "NOAA/CDMP–MRCC keyed Portland daily record",
   "url": "https://mrcc.purdue.edu/files/FORTS/Data/DAILYBYSTATE/ME_Portland.data.csv",
   "sha256": "dd1ad8cf2675a10f20c94a8d100d0936fce1cdc16b8f0143d665e9b8f00ec2ee",
   "retrieved_at": "2026-10-07",
   "license": "U.S. federal historical data; credit MRCC",
   "locator": "Station 176902; PRCP-99 at field 17; comparison, not an independent observer"
  },
  "portland-meta": {
   "title": "MRCC Portland station history",
   "url": "https://mrcc.purdue.edu/files/FORTS/Data/DAILYBYSTATE/ME_Portland.metadata.csv",
   "sha256": "ccc3e8619e2e5bde7cacade6bfc85856f4fb548fac13a5b5cf3a84a8e8185e6d",
   "retrieved_at": "2026-10-07",
   "license": "U.S. federal historical metadata; credit MRCC",
   "locator": "4 Exchange Street, November 1871–September 1875; moved October 1875"
  },
  "place": {
   "title": "GeoNames 5090347, North Conway",
   "url": "https://www.geonames.org/5090347/north-conway.html",
   "sha256": "7a5247656564271b41013791ff340fd3a066f896a395729d3b26bae44574ceb3",
   "retrieved_at": "2026-10-07",
   "license": "GeoNames CC BY 4.0; credit GeoNames",
   "locator": "Town reference coordinate; the painter’s viewpoint is unknown"
  },
  "railway": {
   "title": "Portland Daily Press, 7 July 1875",
   "url": "https://digitalmaine.com/pdp_1875/157/",
   "sha256": "e1aa1b0500816eb3a60dfe4a01481ae0cc085690f7dddcb0313c876595569cc9",
   "retrieved_at": "2026-10-07",
   "license": "Public domain; Maine State Library No Copyright–United States",
   "locator": "p. 4, Eastern Railroad; downloaded from https://mainerunningphotos.com/wp-content/uploads/1875/07/Portland-Daily-Press-July-7-1875-1.pdf"
  },
  "railway-transcription": {
   "title": "Nephos transcription of the Eastern Railroad advertisement",
   "url": "https://digitalmaine.com/pdp_1875/157/",
   "sha256": "a658503ec262f6e0409474bf4c5511764672b2e2d9d362b5d3ff9ba3273aea65",
   "retrieved_at": "2026-10-07",
   "license": "Public-domain source; Nephos transcription",
   "locator": "p. 4; source hash and visual reading notes included"
  },
  "summit-history": {
   "title": "Mount Washington Observatory, Our History, Peter Crane",
   "url": "https://mountwashington.org/about-us/our-history/",
   "sha256": "50e26ee9f366c391636e7d2d376fb9fee3d98747dd566d89820ce0b8bee89ab1",
   "retrieved_at": "2026-10-07",
   "license": "Copyrighted institutional text; paraphrase only",
   "locator": "Signal Service occupation followed the private 1870–1871 expedition; current Observatory founded in 1932"
  },
  "mrcc-format": {
   "title": "NOAA/NCDC, DSI-3297 CDMP format documentation (March 2010)",
   "url": "https://mrcc.purdue.edu/files/FORTS/DSI-3297-CDMPFortsFormatDocument_Mar2010.pdf",
   "sha256": "3ade954c6c3f982ce8ab390f776f17cee7dce1b884e33e955a32a780db5a7cdf",
   "retrieved_at": "2026-10-07",
   "license": "U.S. federal documentation",
   "locator": "pp. 15, 19: PRCP units; code 99 means missing observation hour"
  },
  "railway-rights": {
   "title": "Maine State Library record and rights statement, 7 July 1875",
   "url": "https://digitalmaine.com/pdp_1875/157/",
   "sha256": "182b681ff8da9f71801f2a15e628c9cb3a923f125111f1054a11f0775188ba75",
   "retrieved_at": "2026-10-07",
   "license": "No Copyright–United States statement for the newspaper",
   "locator": "Issue metadata and NoC-US rights statement"
  }
 }
}