The Map That Changed the World
The Map That Changed the World
Simon Winchester
2002
Elements of Geology: Prepared for the use of Schools and Colleges (First Books of Natural History)
Elements of Geology: Prepared for the use of Schools and Colleges (First Books of Natural History)
W.S.W. Ruschenberger
1855
Earthquakes (Smithsonian-science)
Earthquakes (Smithsonian-science)
Seymour Simon
2006
How to Dig a Hole to the Other Side of the World
How to Dig a Hole to the Other Side of the World
Faith McNulty
1990
Let's Go Rock Collecting (Let's-Read-And-Find-Out Science. Stage 2)
Let's Go Rock Collecting (Let's-Read-And-Find-Out Science. Stage 2)
Roma Gans
1997
Ground-Water Resources of the Coastal Plain Area (Pennsylvania Geological Survey, Fourth Series, ...
Ground-Water Resources of the Coastal Plain Area (Pennsylvania Geological Survey, Fourth Series, ...
David W. Greenman
1961
National Geographic Kids Everything Rocks and Minerals: Dazzling gems of photos and info that wil...
National Geographic Kids Everything Rocks and Minerals: Dazzling gems of photos and info that wil...
Steve Tomecek
2011
Peterson First Guide to Rocks and Minerals
Peterson First Guide to Rocks and Minerals
Frederick H Pough,Roger Tory Peterson
1998
Inside The Earth (Magic School Bus)
Inside The Earth (Magic School Bus)
Joanna Cole
1987
Geology Rocks!: 50 Hands-On Activities to Explore the Earth (Kaleidoscope Kids)
Geology Rocks!: 50 Hands-On Activities to Explore the Earth (Kaleidoscope Kids)
Cindy Blobaum
1999
Crystal & Gem (DK Eyewitness Books)
Crystal & Gem (DK Eyewitness Books)
R Harding,R.F. Symes,R Smyes,R.R. Harding
2004
Ground-Water Resources of Loysville and Mifflintown Quadrangles in South-Central Pennsylvania [Gr...
Ground-Water Resources of Loysville and Mifflintown Quadrangles in South-Central Pennsylvania [Gr...
Herbert E Johnston
1973
Compilation of Extra Framework Sites in Zeolites
Compilation of Extra Framework Sites in Zeolites
W J Mortier
1982
Mountains and Volcanoes
Mountains and Volcanoes
Eileen Curran
1987
Rocks and Minerals (National Audubon Society First Field Guides)
Rocks and Minerals (National Audubon Society First Field Guides)
Edward Ricciuti, Margaret W. Carruthers
1998
Groundwater resources of Fayette County, Pennsylvania (Water resource report 60)
Groundwater resources of Fayette County, Pennsylvania (Water resource report 60)
Thomas A. McElroy
1988
Hydrology of the metamorphic and igneous rocks of central Chester County, Pennsylvania (W 25)
Hydrology of the metamorphic and igneous rocks of central Chester County, Pennsylvania (W 25)
Charles W. Poth
1973
Summary groundwater resources of Perry County, Pennsylvania (Water resource report 59)
Summary groundwater resources of Perry County, Pennsylvania (Water resource report 59)
Denise W. Royer
1984
Hydrogeology and Groundwater Quality of the Glaciated Valleys of Bradford, Tioga, and Potter Coun...
Hydrogeology and Groundwater Quality of the Glaciated Valleys of Bradford, Tioga, and Potter Coun...
John H. Williams
1998
Groundwater resources of the Lower Susquehanna River Basin, Pennsylvania (Water resource report 57)
Groundwater resources of the Lower Susquehanna River Basin, Pennsylvania (Water resource report 57)
Larry E. Taylor
1984
Water Resources of Lehigh County, Pennsylvania (Water Resource Report 31)
Water Resources of Lehigh County, Pennsylvania (Water Resource Report 31)
Charles H. Flippo J. Lescinsky & J. Barker Wood
1972
Groundwater resources of the Upper Susquehanna River Basin, Pennsylvania (Water resource report 5...
Groundwater resources of the Upper Susquehanna River Basin, Pennsylvania (Water resource report 5...
Larry E. Taylor
1992
Ground-water resources of Lackawanna County, Pennsylvania (Water resource report 41)
Ground-water resources of Lackawanna County, Pennsylvania (Water resource report 41)
Jerrald R. Hollowell
1975
Groundwater Resources of Delaware County, Pennsylvania (Water Resource Report 66)
Groundwater Resources of Delaware County, Pennsylvania (Water Resource Report 66)
Wayne T. Balmer
1996
Groundwater resources of the West Branch Susquehanna River basin, Pennsylvania (Water resource re...
Groundwater resources of the West Branch Susquehanna River basin, Pennsylvania (Water resource re...
Larry E. Taylor
1983
Groundwater Resources in and Near the Anthracite Basins of Schuylkill and Adjacent Counties, Penn...
Groundwater Resources in and Near the Anthracite Basins of Schuylkill and Adjacent Counties, Penn...
Albert E. Becher
1991
Summary groundwater resources of Lebanon County, Pennsylvania (Water resource report 55)
Summary groundwater resources of Lebanon County, Pennsylvania (Water resource report 55)
Denise W. Royer
1983
Groundwater resources of the Berwick-Bloomsburg-Danville area, east-central Pennsylvania (Water r...
Groundwater resources of the Berwick-Bloomsburg-Danville area, east-central Pennsylvania (Water r...
John H. Williams
1987
Hydrology of the Pleistocene Sediments in the Wyoming Valley, Luzerne County, Pennsylvania (Water...
Hydrology of the Pleistocene Sediments in the Wyoming Valley, Luzerne County, Pennsylvania (Water...
Jerrald R. Hollowell
1973
Planet Earth: its physical systems through geologic time (Harper's geoscience series)
Planet Earth: its physical systems through geologic time (Harper's geoscience series)
Arthur N. Strahler
1972
Verified Synthesis of Zeolitic Materials: Second Edition (Rev)
Verified Synthesis of Zeolitic Materials: Second Edition (Rev)
H Robson,Pam Robson
2001
Discover Rocks & Minerals
Discover Rocks & Minerals
Joel E. Arem
1991
Rocks & Minerals (Reader's Digest Pathfinders)
Rocks & Minerals (Reader's Digest Pathfinders)
Tracy Staedler, Carolyn Rebbert
1999
Rock and Fossils (Hobby Handbooks)
Rock and Fossils (Hobby Handbooks)
Ray Oliver
1993
Are Mountains Growing Taller? Questions and Answers About the Changing Earth
Are Mountains Growing Taller? Questions and Answers About the Changing Earth
Melvin Berger,Gilda Berger
2003
Hydrogeology of the Carbonate Rocks of the Lancaster 15-Minute Quadrangle, Southeastern Pennsylva...
Hydrogeology of the Carbonate Rocks of the Lancaster 15-Minute Quadrangle, Southeastern Pennsylva...
Harold Meisler
1973
Groundwater resources of the Gettysburg and Hammer Creek formations, southeastern Pennsylvania (W...
Groundwater resources of the Gettysburg and Hammer Creek formations, southeastern Pennsylvania (W...
Charles R. Wood
1980
Ground-Water Resources of Montgomery County, Pennsylvania (Water Resource Report 29) (Reprint)
Ground-Water Resources of Montgomery County, Pennsylvania (Water Resource Report 29) (Reprint)
Thomas G. Newport
1973
Hydrology of the New Oxford formation in Lancaster County, Pennsylvania, ([Pennsylvania. Topograp...
Hydrology of the New Oxford formation in Lancaster County, Pennsylvania, ([Pennsylvania. Topograp...
Herbert E Johnston
Geology and Groundwater Resources of Northern Berks County Pennsylvania Water Resource Report 44 ...
Geology and Groundwater Resources of Northern Berks County Pennsylvania Water Resource Report 44 ...
Charles R. Wood, David B. MacLachlan
1978
Hydrology of the New Oxford formation in Adams and York counties, Pennsylvania (Pennsylvania. Bur...
Hydrology of the New Oxford formation in Adams and York counties, Pennsylvania (Pennsylvania. Bur...
Perry Rowley Wood
1964
Geology and Hydrology of the Martinsburg Formation in Dauphin County Pennsylvania
Geology and Hydrology of the Martinsburg Formation in Dauphin County Pennsylvania
Louis D Jerrald R. Hollowell and Lucian B. Platt Carswell
Summary Ground Water Resources of Lancaster County Pennsylvania (Water Resource Report 43)
Summary Ground Water Resources of Lancaster County Pennsylvania (Water Resource Report 43)
Charles W. Poth
1977
Groundwater Resources of Cambria County, Pennsylvania (Water Resource Report 67)
Groundwater Resources of Cambria County, Pennsylvania (Water Resource Report 67)
Thomas A. McElroy
1998
Hydrology of the Martinsburg Formation in Lehigh and Northampton Counties, Pennsylvania, (Water r...
Hydrology of the Martinsburg Formation in Lehigh and Northampton Counties, Pennsylvania, (Water r...
Charles W Poth
Ground-Water Resources of the Brunswick Formation in Montgomery and Berks Counties, Pennsylvania,...
Ground-Water Resources of the Brunswick Formation in Montgomery and Berks Counties, Pennsylvania,...
Stanley M. Longwill, Charles R. Wood
1965
Collection of Simulated XRD Powder Patterns for Zeolites
Collection of Simulated XRD Powder Patterns for Zeolites
M.M.J. Treacy,J.B. Higgins
2001
Thirty Thousand Miles With John Heckewelder (The Great Pennsylvania Frontier Series)
Thirty Thousand Miles With John Heckewelder (The Great Pennsylvania Frontier Series)
John Gottlieb Ernestus Heckewelder,Paul A. W. Wallace
2000
The Examination of Prospects: A Mining Geology [1st Edition, Fifth Impression]
The Examination of Prospects: A Mining Geology [1st Edition, Fifth Impression]
C. Godfrey Gunther
1912
Arizona Geological Society Digest: Volume XIII 1981
Arizona Geological Society Digest: Volume XIII 1981
Claudia Stone, Judith P. Jenney
1981

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