@misc{indiciae688bd4edfd86, title = {Maps showing the distribution of tin, tungsten, arsenic, gold, and silver in nonmagnetic heavy-mineral concentrates derived from stream sediments, Sherbrooke and Lewiston 1° x 2° quadrangles, Maine, New Hampshire, and Vermont}, author = {G.A. Nowlan and F. H. Howd and F. C. Canney and J. A. Domenico}, year = {1990}, doi = {10.3133/i1898c}, url = {https://pubs.usgs.gov/publication/i1898C}, note = {Source identifier: i1898C} }