Michael E Brownfield books & textbook
OREGON'S COAL AND ITS ECONOMIC FUTURE
Oregon Geology /1981T Paperback
Selected References on the Geology and Coal Resources of Central and Western Colorado Coal Fields and Regions (Information Series 25)
Peter Rushworth Bruce S. Kelso Michael E. Brownfield Edward A. Johnson
Colorado Geological Survey / Paperback / 141 Pages
Assessment of the Undiscovered Oil and Gas of the Senegal Province, Mauritania, Senegal, the Gambia, and Guinea-Bissau, Northwest Africa: Usgs Bulletin 2207-A - Scholar's Choice Edition
Brownfield, Michael E Charpentier, Ronald R
Scholar's Choice /2015-02-16 Paperback / 32 Pages
isbn-10: 1297045106 / isbn-13: 9781297045103
