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