Bedrock Geologic Map of Maine
Philip H. Osberg, Arthur M. Hussey II, and Gary M. Boone
42" x 57" color wall map
View the map (PDF, 8.0MB).
This map is also available in print:
A 42" x 57" color wall map showing the bedrock geology of Maine. Ages of rocks in color, lithologies differentiated by patterns, inset map of tectonic features, map of metamorphic zones, correlation chart, and extensive reference list.
Last updated on January 9, 2015