TY  - BOOK
AU  - Beyer,Samuel Walker
TI  - The Sioux quartzite and certain associated rocks ..
T2  - Iowa. Geological Survey. [Reports and papers]
AV  - QE475 .B58
PY  - 1896///
CY  - Des Moines
PB  - Published for the Iowa Geological Survey
KW  - Quartzite
KW  - Petrology
KW  - South Dakota
KW  - Geology
N1  - At head of title: Iowa Geological survey, volume VI; Bibliographical foot-notes
ER  -