Author :
Publisher :
Page : 274 pages
File Size : 20,53 MB
Release : 1990
Category : Coal
ISBN :
Author :
Publisher :
Page : 280 pages
File Size : 24,26 MB
Release : 1990
Category : Coal
ISBN :
Author :
Publisher :
Page : 74 pages
File Size : 35,61 MB
Release : 1998
Category : Geology
ISBN :
Author :
Publisher :
Page : 70 pages
File Size : 28,70 MB
Release : 2008-08
Category : Geology
ISBN :
Author : Antonette K. Markowski
Publisher : Pennsylvania Capitol Preservation Committee
Page : 148 pages
File Size : 13,14 MB
Release : 2001
Category : Nature
ISBN :
Author :
Publisher :
Page : 262 pages
File Size : 10,40 MB
Release : 1990
Category : Geology
ISBN :
Author :
Publisher :
Page : 172 pages
File Size : 32,40 MB
Release : 1990
Category : Geology
ISBN :
Author : Richard M. Ruffolo
Publisher : Geological Society of America
Page : 196 pages
File Size : 11,1 MB
Release : 2011
Category : Science
ISBN : 0813700205
Features field guides and descriptions of eight geological field trips of the area near Pittsburgh, Pennsylvania. The trips highlight the region's geology from eastern Ohio to the Central Appalachian Valley and Ridge.
Author :
Publisher :
Page : 224 pages
File Size : 22,12 MB
Release : 1992
Category : Pennsylvania
ISBN :
Author : John A. Harper
Publisher :
Page : 98 pages
File Size : 19,49 MB
Release : 2004
Category : Carbonate rocks
ISBN :
