Relief shown by 20-foot contours. Colored geologic map shows railroads, roads, trails, settlements, swamps, streams, lakes, rock types, and outcrops. Geologic cross sections included.
note
Relief shown by 20-foot contours. Colored geologic map shows railroads, roads, trails, settlements, swamps, streams, lakes, rock types, and outcrops. Geologic cross sections included.
Note
false