1. Bedrock geologic map of the Mars Hill quadrangle and vicinity, Aroostook County, Maine [cartographic material] Yale Public content 1978. 2014-01-28T19:45:50Z. 2014-02-14T23:14:26Z. Pavlides, Louis, 1921-. The Survey. English. Public. Maine, Aroostook County, and U.S.