Athy, Lawrence Ferdinand, 1898-1955.

Geology and mineral resources of the Herscher quadrangle / by L. F. Athy. - Urbana : Printed by authority of the state of Illinois [Springfield, Jeffersons Printing and Stationery Co.], 1928. - 120 p. : incl. ill., tables, diagrs. II fold. pl. (maps, 1 col.fold. tab. ; 26 cm. - Illinois State geological survey, Bulletin no. 55 .

Maps folded in pocket.

Bibliographical foot-notes.

gs 28000360


Geology--Illinois.
Mines and mineral resources--Illinois.
Geology--Herscher quadrangle.--Illinois

QE105 / .A16 no. 55