USGS Bedrock Geologic Map:Bedrock geologic map of the Monterey quadrangle, Berkshire County Massachusetts. Authentic original folding paper map published by the US Geological Survey in 1984. Appears little-used with light to moderate wear on sleeve and light or less wear on map.

USGS Geologic Map:Bedrock geologic map of the East Lee quadrangle, Berkshire County, Massachusetts. Authentic original folding paper map published by the US Geological Survey in 1985. Appears little-used with light to moderate wear on sleeve and light or less wear on map.