Big Delta A-4 Alaska Historical topographic map, 1:63360 scale, 15 X 15 Minute, Year 1950

~ Big Delta A 4 AK topo map, 1:63360 scale, 15 X 15 Minute, Historical, 1950, updated 1991

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Big Delta A 4, Alaska, USGS topographic map dated 1950.

Includes geographic coordinates (latitude and longitude). This topographic map is suitable for hiking, camping, and exploring, or framing it as a wall map.

Printed on-demand using high resolution imagery, on heavy weight and acid free paper, or alternatively on a variety of synthetic materials.

Topos available on paper, Waterproof, Poly, or Tyvek. Usually shipping rolled, unless combined with other folded maps in one order.


  • Product Number: USGS-5663824
  • Free digital map download (high-resolution, GeoPDF): Big Delta A 4, Alaska (file size: 15 MB)
  • Map Size: please refer to the dimensions of the GeoPDF map above
  • Weight (paper map): ca. 55 grams
  • Map Type: POD USGS Topographic Map
  • Map Series: HTMC
  • Map Verison: Historical
  • Cell ID: 51336
  • Scan ID: 354527
  • Imprint Year: 1991
  • Woodland Tint: Yes
  • Photo Revision Year: 1975
  • Aerial Photo Year: 1949
  • Datum: NAD27
  • Map Projection: Universal Transverse Mercator
  • Map published by United States Geological Survey
  • Map Language: English
  • Scanner Resolution: 600 dpi
  • Map Cell Name: Big Delta A-4
  • Grid size: 15 X 15 Minute
  • Date on map: 1950
  • Map Scale: 1:63360
  • Geographical region: Alaska, United States

Neighboring Maps:


All neighboring USGS topo maps are available for sale online at a variety of scales.


Spatial coverage:

Topo map Big Delta A 4, Alaska, covers the geographical area associated the following places:

- Big Delta - Delta Junction

  • Map Area ID: AREA64.2564-146-145.5
  • Northwest corner Lat/Long code: USGSNW64.25-146
  • Northeast corner Lat/Long code: USGSNE64.25-145.5
  • Southwest corner Lat/Long code: USGSSW64-146
  • Southeast corner Lat/Long code: USGSSE64-145.5
  • Northern map edge Latitude: 64.25
  • Southern map edge Latitude: 64
  • Western map edge Longitude: -146
  • Eastern map edge Longitude: -145.5

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