TY  - BOOK
AU  - Johnson,R.C.
AU  - Bornhorst,Theodore J.
TI  - Archean geology of the northern block of the Ishpeming Greenstone Belt, Marquette County, Michigan
U1  - 551.7120977496 
PY  - 1991///
CY  - Washington D.C., Denver, CO
PB  - U.S. G.P.O., For sale by the U.S. Geological Survey
KW  - Geology, Stratigraphic
KW  - Archaean
KW  - Rocks, Igneous
KW  - Michigan
KW  - Marquette County
KW  - Geology
ER  -