Portola California Historical topographic map, 1:100000 scale, 30 X 60 Minute, Year 1979

~ Portola CA topo map, 1:100000 scale, 30 X 60 Minute, Historical, 1979, updated 1993

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Portola, California, USGS topographic map dated 1979.

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-5505393
  • Free digital map download (high-resolution, GeoPDF): Portola, California (file size: 31 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: 68184
  • Scan ID: 299151
  • Imprint Year: 1993
  • Woodland Tint: Yes
  • Photo Inspection Year: 1990
  • Aerial Photo Year: 1975
  • Edit Year: 1979
  • Datum: NAD27
  • Map Projection: Universal Transverse Mercator
  • Map published by United States Geological Survey
  • Map Language: English
  • Scanner Resolution: 600 dpi
  • Map Cell Name: Portola
  • Grid size: 30 X 60 Minute
  • Date on map: 1979
  • Map Scale: 1:100000
  • 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 Portola, California, covers the geographical area associated the following places:

- Scales - Howland Flat - Spring Garden - Bontes (historical) - Sierra Brooks - Little Grass Valley - Portola - Deadwood (historical) - Verdi - Loyalton - McMahons (historical) - Two Rivers - Bassetts - Bells Bar (historical) - Silongkoyo (historical) - La Porte - Peavine - Delaney (historical) - Quincy - Gate Place - Downieville - Feather River Park - Little Jamison (historical) - Antelope (historical) - Indian Hill (historical) - Plumas Eureka (historical) - Loganville - Chilcoot - Reno Junction - Cedar Mill - Goodyears Bar - Campbell Hot Springs - Mohawk Vista - Plumas - Sloat - Monte Cristo (historical) - Sattley - Jamison (historical) - Saint Louis - Lovejoy (historical) - East Quincy - Massack - Beckwourth - Constantia - Feather River Inn - Maredith Mill - Cromberg - Carvin Creek Homesites - Morristown - Quincy Junction - Sierraville - Mohawk - Queen City - Whitehawk - Gibsonville - Calpine - Mount Pleasant - Hallelujah Junction - Delleker - Omira - Plumas Eureka - Dentens (historical) - English Bar (historical) - Mabie - Grass Flat - Crow (historical) - Eureka (historical) - Vinton - Blairsden - Chats (historical) - Greenhorn - Milton (historical) - Mount Vernon (historical) - Five Points - Hawley - Clio - Chases (historical) - Squirrel Creek (historical) - Argentine (historical) - Sierra Pines - Middle Waters (historical) - Sierra City - Kerby (historical) - Johnsville - Lake Davis - Walkermine (historical) - Valley Ranch - Poker Flat - Haskell Creek Homesites - Randolph - Oxford Mill - Scotts - Graeagle - Iron Horse

  • Map Area ID: AREA4039.5-121-120
  • Northwest corner Lat/Long code: USGSNW40-121
  • Northeast corner Lat/Long code: USGSNE40-120
  • Southwest corner Lat/Long code: USGSSW39.5-121
  • Southeast corner Lat/Long code: USGSSE39.5-120
  • Northern map edge Latitude: 40
  • Southern map edge Latitude: 39.5
  • Western map edge Longitude: -121
  • Eastern map edge Longitude: -120

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