Martin, Helen M. 1889-1973.

An index of the geology of Michigan, 1823-1955. [By Helen M. Martin and Muriel Tara Straight. - Lansing, Speaker-Hines & Thomas, State printers, 1956] - ix, 461 p. maps (part fold.) fold. charts (in separate envelope) 24 cm.

Includes bibliographies.

gs 57000152


Geology--Michigan--Bibliography.


Michigan. Geological Survey Division --Bibliography.

Z6034.U5 / M63

016.557774