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-5505391
  • Free digital map download (high-resolution, GeoPDF): Portola, California (file size: 29 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: 299150
  • Imprint Year: 1993
  • Woodland Tint: Yes
  • Visual Version Number: 2
  • 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:

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

  • 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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