Creator: Earl, Kenneth M. & Eilertsen, Nils A.
Description: Report issued by the Bureau of Mines over manganese deposits of Aroostook County, Maine. As stated in the introduction, "the work was undertaken to determine the extent of deposits largely concealed under glacial drift and to obtain subsurface sampled for manganese mineral identification and research in ore dressing and extractive metallurgy" (p. 1). This report includes tables, maps, and illustrations.
Contributing Partner: UNT Libraries Government Documents Department