Aeromagnetic map of part of the Churchill Lake quadrangle, Piscataquis County, Maine [map] / Department of the Interior, United States Geological Survey ; by R.W. Bromery, E.F. McGowan, and others

Corporate Author: Geological Survey (U.S.)
Published: Washington, D.C. : The Survey, 1963.
Physical Description: 1 map ; 45 x 31 cm, on sheet 46 x 56 cm, folded in envelope 30 x 24 cm.
Additional Creators: Bromery, Randolph Wilson, 1926- and McGowan, E. F.