In right lower margin: June 1981."Base source: USGS 1:50,000 county base dated 1976."Includes note."1-13374.
Mode of access: Internet.Prepared in cooperation with the Pennsylvania Dept. of Forests and Waters a...
Relief shown by contours and spot heights.Alternate title in right lower margin: Berks Co., Pa. : 19...
Relief shown by contours and spot heights.Alternate title in right lower margin: Beaver Co., Pa. : N...
In right lower margin: June 1981."Base source: USGS 1:50,000 county base dated 1976."Includes note."...
In right lower margin: June 1981."Base source: USGS 1:50,000 county base dated 1976."Includes note."...
In right lower margin: June 1981."Base source: USGS 1:50,000 county base dated 1976."Includes note."...
In right lower margin: June 1981."Base source: USGS 1:50,000 county base dated 1976."Includes note."...
Relief shown by contours and spot heights.Alternate title in right lower margin: Columbia Co., Pa. :...
"Sources: Base map from U.S. Geological Survey, Pennsylvania, 1975. County, county subdivision, and ...
Relief shown by contours and spot heights.Alternate title in right lower margin: Lebanon Co., Pa. : ...
Relief shown by contours and spot heights.Alternate title in right lower margin: Carbon Co., Pa. : N...
Relief shown by contours and spot heights.Alternate title in right lower margin: Susquehanna Co., Pa...
Base from Geologic Map of Pennsylvania, 1980, Pennsylvania Department of Environmental Resources, Bu...
Relief shown by contours and spot heights.Alternate title in right lower margin: Greene Co., Pa. : N...
Relief shown by contours and spot heights.Alternate title in lower margin at right: Jefferson Co., P...
Mode of access: Internet.Prepared in cooperation with the Pennsylvania Dept. of Forests and Waters a...
Relief shown by contours and spot heights.Alternate title in right lower margin: Berks Co., Pa. : 19...
Relief shown by contours and spot heights.Alternate title in right lower margin: Beaver Co., Pa. : N...
In right lower margin: June 1981."Base source: USGS 1:50,000 county base dated 1976."Includes note."...
In right lower margin: June 1981."Base source: USGS 1:50,000 county base dated 1976."Includes note."...
In right lower margin: June 1981."Base source: USGS 1:50,000 county base dated 1976."Includes note."...
In right lower margin: June 1981."Base source: USGS 1:50,000 county base dated 1976."Includes note."...
Relief shown by contours and spot heights.Alternate title in right lower margin: Columbia Co., Pa. :...
"Sources: Base map from U.S. Geological Survey, Pennsylvania, 1975. County, county subdivision, and ...
Relief shown by contours and spot heights.Alternate title in right lower margin: Lebanon Co., Pa. : ...
Relief shown by contours and spot heights.Alternate title in right lower margin: Carbon Co., Pa. : N...
Relief shown by contours and spot heights.Alternate title in right lower margin: Susquehanna Co., Pa...
Base from Geologic Map of Pennsylvania, 1980, Pennsylvania Department of Environmental Resources, Bu...
Relief shown by contours and spot heights.Alternate title in right lower margin: Greene Co., Pa. : N...
Relief shown by contours and spot heights.Alternate title in lower margin at right: Jefferson Co., P...
Mode of access: Internet.Prepared in cooperation with the Pennsylvania Dept. of Forests and Waters a...
Relief shown by contours and spot heights.Alternate title in right lower margin: Berks Co., Pa. : 19...
Relief shown by contours and spot heights.Alternate title in right lower margin: Beaver Co., Pa. : N...