Union Island California Historical topographic map, 1:24000 scale, 7.5 X 7.5 Minute, Year 1952

~ Union Island CA topo map, 1:24000 scale, 7.5 X 7.5 Minute, Historical, 1952, updated 1966

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Union Island, California, USGS topographic map dated 1952.

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-5525197
  • Free digital map download (high-resolution, GeoPDF): Union Island, California (file size: 8 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: 46347
  • Scan ID: 301053
  • Imprint Year: 1966
  • Woodland Tint: Yes
  • Aerial Photo Year: 1949
  • Survey Year: 1952
  • Datum: NAD27
  • Map Projection: Polyconic
  • Map published by United States Geological Survey
  • Map Language: English
  • Scanner Resolution: 600 dpi
  • Map Cell Name: Union Island
  • Grid size: 7.5 X 7.5 Minute
  • Date on map: 1952
  • Map Scale: 1:24000
  • Geographical region: California, United States

Neighboring Maps:


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


Spatial coverage:

Topo map Union Island, California, covers the geographical area associated the following places:

- Tracy Seventh Day Adventist Church - Church of Christ - Naglee School (historical) - Tracy Police Department Substation - North Elementary School - Grant Line Canal - Melville S Jacobson Elementary School - Tom Paine Slough - McKinley Village Shopping Center - Slayter Park - Undine School (historical) - The Church of Jesus Christ of Latter Day Saints - Duncan-Russell Continuation High School - Family Bible Church - California Highway Patrol Valley Division - Tracy - Tracy Bible Fellowship Church - Crossroads Christian Church - Ornellas Dairy - Salmon Slough - Tracy Fire Department Station 96 - Tracy Shopping Center - El Pescadero - Delta Island Elementary School - Lower Main Canal - Tracy Ball Park - Larch Clover Park - Fabian and Bell Canal - Union Island Gas Field - Sugar Cut - Moreda Valley Dairy Number 4 - Union Island - Trinity Baptist Church - Tracy Police Department Substation - Valley Shopping Center - El Pescadero Park - Amazing Grace Church True Tabernacle of God - Kenner Park

  • Map Area ID: AREA37.87537.75-121.5-121.375
  • Northwest corner Lat/Long code: USGSNW37.875-121.5
  • Northeast corner Lat/Long code: USGSNE37.875-121.375
  • Southwest corner Lat/Long code: USGSSW37.75-121.5
  • Southeast corner Lat/Long code: USGSSE37.75-121.375
  • Northern map edge Latitude: 37.875
  • Southern map edge Latitude: 37.75
  • Western map edge Longitude: -121.5
  • Eastern map edge Longitude: -121.375

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