Coal Geology and Coal, Oil, and Gas Resources of the Erie and Frederick Quadrangles, Boulder and Weld Counties, Colorado; U.S. Geological Survey bulletin 1619

by Frank D. Spencer

$25 · Offered by Crossroads Books

Washington, D.C. U.S. Government Printing Office, 1986. slipcase, inside pockets 7 plates, text 50 pages, 11' x 8.75" from the abstract, 'This report describes in detail the structral and environmental geology, coal resources, and oil and natural gas prodction of the Erie and Frederick quadrangles in southeastern Boulder and southwestern..... More

Found via Rare Books Intel, a search across rare-book dealers, auction houses and marketplaces worldwide.