Geological-geophysical investigations of bedrock in the Island Fall quadrangle, Aroostook and Penobscot Counties, Maine,
Ekren, E. B. 1923-
Geological-geophysical investigations of bedrock in the Island Fall quadrangle, Aroostook and Penobscot Counties, Maine, by E.B. Ekren and F.C. Frischknecht. - Washington, U.S. Govt. Print. Off., 1967. - iv, 36 p. illus., maps (2 fold. col. in pocket) 29 cm. - Geological Survey professional paper 527 .
Bibliography: p. 35-36.
gs 67000152 //r922
Geology--Maine--Aroostook County.
Geology--Maine--Penobscot County.
Geophysics--Maine--Aroostook County.
Geophysics--Maine--Penobscot County.
QE75 / .P9 no. 527
557.41/1
Geological-geophysical investigations of bedrock in the Island Fall quadrangle, Aroostook and Penobscot Counties, Maine, by E.B. Ekren and F.C. Frischknecht. - Washington, U.S. Govt. Print. Off., 1967. - iv, 36 p. illus., maps (2 fold. col. in pocket) 29 cm. - Geological Survey professional paper 527 .
Bibliography: p. 35-36.
gs 67000152 //r922
Geology--Maine--Aroostook County.
Geology--Maine--Penobscot County.
Geophysics--Maine--Aroostook County.
Geophysics--Maine--Penobscot County.
QE75 / .P9 no. 527
557.41/1