Geology and mineral resources of the Herscher quadrangle /
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
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