Geology and mineral resources of the Dixon quadrangle,
Knappen, Russell Stafford, 1892-
Geology and mineral resources of the Dixon quadrangle, by Russell Stafford Knappen. - Urbana, Ill. [Schnepp & Barnes, printers, Springfield] 1926. - 141 p. incl. illus., tables. V pl. (fold. maps, part col.) 26 cm. - Illinois. State geological survey. Bulletin no. 49 . - Bulletin (Illinois State Geological Survey) ; no. 49. .
At head of title: State of Illinois. Department of registration and education. Division of the State geological survey. Published also as thesis (Ph. D.) Columbia university, 1927. Plates I-II folded in pocket.
Bibliographical references.
gs 27000129
Geology--Illinois--Lee County.
Geology--Illinois--Ogle County.
Mines and mineral resources--Illinois--Lee County.
Mines and mineral resources--Illinois--Ogle County.
QE105 / .A16 no. 49
Geology and mineral resources of the Dixon quadrangle, by Russell Stafford Knappen. - Urbana, Ill. [Schnepp & Barnes, printers, Springfield] 1926. - 141 p. incl. illus., tables. V pl. (fold. maps, part col.) 26 cm. - Illinois. State geological survey. Bulletin no. 49 . - Bulletin (Illinois State Geological Survey) ; no. 49. .
At head of title: State of Illinois. Department of registration and education. Division of the State geological survey. Published also as thesis (Ph. D.) Columbia university, 1927. Plates I-II folded in pocket.
Bibliographical references.
gs 27000129
Geology--Illinois--Lee County.
Geology--Illinois--Ogle County.
Mines and mineral resources--Illinois--Lee County.
Mines and mineral resources--Illinois--Ogle County.
QE105 / .A16 no. 49