Robuta

https://www.maine.gov/DACF/mgs/pubs/online/surficial-15/surficial-15.htm Maine Geological Survey: Online Surficial Geology Maps and Reports, scale 1:62500 maps and reports geological survey surficial geology https://www.usgs.gov/publications/preliminary-maps-and-preliminary-reports-released-geologic-branch-and-alaskan-branch Preliminary maps and preliminary reports released by the Geologic Branch and Alaskan Branch between... This pamplilet contains a complete list of all the preliminary maps and reports issued by the Geologic Branch and the Alaskan Branch of the Geological Survey... maps and reports by the preliminary released