Map Room

USGS Depository Map Series

7.5 minute Topographic Quadrangles (1:24,000 scale)

  • all maps for PA, NJ, DE, MD, WV, and NY (some)
  • collection includes Orthophotoquads for some maps areas
  • selected maps from other states are stored in this area of the map collection

 7.5 minute Geologic Quadrangles (1:24,000 scale)

  • State Topographic Quadrangles (various scales) the selection of states is somewhat limited

 15 minute Topographic Quadrangles (1:62,500 scale): no longer available from USGS

  • selected maps from all over the US are were originally received in this set

 30 minute x 60 minute Topographic Quadrangles (1:100,000 scale)

  • selected maps from all over the US are in this set

 1 degree x 2 degree Topographic Quadrangles (1:250,000 scale)

  • selected maps from all over the US are in this set

Other Single Maps

  • USGS and other maps of National Parks and other Federal Lands
  • Canada 15 minute x 30 minute Topographic Maps (1:50,000 scale)
  • USGS Topographic Quadrangles (1:62,500 scale) from the Set of 100
  • Geological maps
  • State Highway Maps from PA and NY Departments of Transportation
  • Climatological maps
  • Maps of areas within Lancaster County and Lancaster City
  • Vegetation maps Maps of areas within other PA counties
  • Navigation Charts, from areas all over the world
  • Historic maps (some are old maps, and some are of historic data)
  • Air Charts

Classroom Maps

  • Class Sets of 7.5 minute USGS Topographic Quadrangles (1:24,000 scale)
  • Class Sets of 15 minute USGS Topographic Quadrangles (1:62,500 scale)
  • Wall Maps (in addition those permanently mounted in classrooms)