TY  - BOOK
AU  - Anderson,Raymond R.
AU  - McKay,Robert M.
ED  - United States Geological Survey
TI  - Clastic rocks associated with the Midcontinent Rift System in Iowa
AV  - QE75QE653.5 .B9 no. 1989-I
PY  - 1997///
CY  - Washington, Denver, CO
PB  - U.S. G.P.O., For sale by U.S. Geological Survey, Information Services
KW  - Geology, Stratigraphic
KW  - Proterozoic
KW  - Geology
KW  - Iowa
KW  - Keweenawan Rift
N1  - Includes bibliographical references (p. 138-140)
ER  -