A 5 |
New Castle Quadrangle—Geology and Mineral Resources
| Publication, Text, Map | Geology, Bedrock Geology, Surficial Geology, Coal, Oil and Gas, Nonfuel Mineral Resources, Stratigraphy, Structural Geology, Hydrogeology | | |
A 17–001.0 |
Bedrock Geology of the Mingoville Quadrangle, Centre County, Pennsylvania
| Publication, Text, Map, Stratigraphic Column | Geology, Bedrock Geology, Structural Geology, Geochemistry, Carbonate Rock | | |
A 17–002.0 |
Bedrock Geology of the Howard and Beech Creek Quadrangles, Centre and Clinton Counties, Pennsylvania
| Publication, Text, Map, GIS Dataset | Geology, Bedrock Geology, Structural Geology, Geochemistry, Topography | | |
A 27 |
Geology and Mineral Resources of the Pittsburgh Quadrangle, Pennsylvania
| Publication, Text, Map | Geology, Bedrock Geology, Surficial Geology, Glacial Geology, Coal, Oil and Gas, Nonfuel Mineral Resources | | |
A 33a |
Geology and Mineral Resources of the Oil City Quadrangle, Venango County, Pennsylvania
| Publication, Text, Map | Geology, Bedrock Geology, Glacial Geology, Coal, Oil and Gas, Nonfuel Mineral Resources, Structural Geology, Hydrogeology | | |
A 36 |
Freeport Quadrangle—Geology and Mineral Resources
| Publication, Text, Map | Geology, Bedrock Geology, Coal, Oil and Gas, Nonfuel Mineral Resources, Stratigraphy, Structural Geology, Topography, Hydrogeology | | |
A 37 |
Mineral Resources of the Greensburg Quadrangle, Westmoreland County, Pennsylvania
| Publication, Text, Map, Stratigraphic Column | Geology, Bedrock Geology, Coal, Oil and Gas, Nonfuel Mineral Resources, Stratigraphy, Structural Geology, Hydrogeology | | |
A 48 |
Geology and Mineral Resources of the Donegal Quadrangle, Pennsylvania
| Publication, Text, Map, Stratigraphic Column | Geology, Bedrock Geology, Coal, Oil and Gas, Nonfuel Mineral Resources, Stratigraphy, Structural Geology, Physiography, Hydrogeology | | |
A 54 |
Geology and Mineral Resources of the Brookville Quadrangle, Pennsylvania
| Publication, Text, Map | Geology, Bedrock Geology, Coal, Oil and Gas, Nonfuel Mineral Resources, Stratigraphy, Structural Geology, Topography | | |
A 55 |
Geology and Mineral Resources of the Smicksburg Quadrangle, Pennsylvania
| Publication, Text, Map, Stratigraphic Column | Geology, Bedrock Geology, Coal, Oil and Gas, Nonfuel Mineral Resources, Stratigraphy, Structural Geology | | |
A 57 |
Geology and Mineral Resources of the New Florence Quadrangle, Pennsylvania
| Publication, Text, Map, Stratigraphic Column | Geology, Bedrock Geology, Coal, Oil and Gas, Nonfuel Mineral Resources, Stratigraphy, Structural Geology, Physiography | | |
A 64 |
Geology and Mineral Resources of the Hazen, Falls Creek, Reynoldsville, and Dubois Quadrangles, Clearfield and Jefferson Counties, Pennsylvania
| Publication, Text, Map, Stratigraphic Column | Geology, Bedrock Geology, Coal, Oil and Gas, Nonfuel Mineral Resources, Stratigraphy, Structural Geology, Fossils | | |
A 65 |
Geology and Mineral Resources of the Punxsutawney Quadrangle, Pennsylvania
| Publication, Text, Map, Stratigraphic Column | Geology, Bedrock Geology, Coal, Oil and Gas, Nonfuel Mineral Resources, Stratigraphy, Structural Geology, Hydrogeology | | |
A 74ab |
Geology and Mineral Resources of the Sabula and Penfield Quadrangles, Clearfield, Elk, and Jefferson Counties, Pennsylvania
| Publication, Text, Map, Stratigraphic Column | Geology, Bedrock Geology, Coal, Oil and Gas, Nonfuel Mineral Resources, Stratigraphy | | |
A 74cd |
Geology and Mineral Resources of the Southern Half of the Penfield 15-Minute Quadrangle, Pennsylvania
| Publication, Text, Map, Stratigraphic Column | Geology, Bedrock Geology, Coal, Oil and Gas, Nonfuel Mineral Resources, Stratigraphy | | |
A 75 |
Geology and Mineral Resources of the Curwensville Quadrangle
| Publication, Text, Map, Stratigraphic Column | Geology, Bedrock Geology, Coal, Nonfuel Mineral Resources, Stratigraphy, Structural Geology, Hydrogeology, Topography | | |
A 84cd |
Geology and Mineral Resources of the Southern Half of the Clearfield 15-Minute Quadrangle, Pennsylvania
| Publication, Text, Map, Stratigraphic Column | Geology, Bedrock Geology, Coal, Nonfuel Mineral Resources, Stratigraphy, Structural Geology | | |
A 85ab |
Geology and Mineral Resources of the Northern Half of the Houtzdale 15-Minute Quadrangle, Pennsylvania
| Publication, Text, Map, Stratigraphic Column | Geology, Bedrock Geology, Coal, Nonfuel Mineral Resources, Stratigraphy, Structural Geology | | |
A 85cd |
Geology and Mineral Resources of the Ramey and Houtzdale Quadrangles, Clearfield and Centre Counties, Pennsylvania
| Publication, Text, Map | Geology, Bedrock Geology, Coal, Nonfuel Mineral Resources, Hydrogeology, Stratigraphy, Structural Geology | | |
A 86 |
Geology and Mineral Resources of the Blandburg, Tipton, Altoona, and Bellwood Quadrangles, Blair, Cambria, Clearfield, and Centre Counties, Pennsylvania
| Publication, Text, Map | Geology, Bedrock Geology, Surficial Geology, Coal, Nonfuel Mineral Resources, Oil and Gas, Hydrogeology | | |
A 95a |
Geology and Mineral Resources of the Philipsburg 7½-minute Quadrangle, Centre and Clearfield Counties, Pennsylvania
| Publication, Text, Map, Stratigraphic Column | Geology, Bedrock Geology, Coal, Nonfuel Mineral Resources, Structural Geology, Stratigraphy, Hydrogeology | | |
A 96 |
Tyrone Quadrangle—Geology and Mineral Resources
| Publication, Text, Map | Geology, Bedrock Geology, Nonfuel Mineral Resources, Structural Geology, Stratigraphy, Hydrogeology, Caves | | |
A 109a |
Bedrock and Surficial Geology of the McConnellsburg Quadrangle, Pennsylvania
| Publication, Text, Map | Geology, Bedrock Geology, Surficial Geology, Structural Geology | | |
A 119ab |
Geology and Mineral Resources of Northeastern Franklin County, Pennsylvania
| Publication, Text, Map, Stratigraphic Column | Geology, Bedrock Geology, Stratigraphy, Structural Geology, Nonfuel Mineral Resources, Hydrogeology | | |
A 119cd |
Geology and Mineral Resources of Southeastern Franklin County, Pennsylvania
| Publication, Text, Map | Geology, Bedrock Geology, Nonfuel Mineral Resources | | |
A 124a |
Geology and Mineral Resources of the Lock Haven Quadrangle, Clinton and Lycoming Counties, Pennsylvania
| Publication, Text, Map | Geology, Bedrock Geology, Glacial Geology, Structural Geology, Nonfuel Mineral Resources, Oil and Gas, Coal, Hydrogeology | | |
A 126 |
Geology and Mineral Resources of the Mifflintown Quadrangle, Pennsylvania
| Publication, Text, Map, Stratigraphic Column | Geology, Bedrock Geology, Stratigraphy, Structural Geology, Nonfuel Mineral Resources | | |
A 127 |
Geology and Mineral Resources of the Loysville Quadrangle, Pennsylvania
| Publication, Text, Map | Geology, Bedrock Geology, Nonfuel Mineral Resources | | |
A 129a |
Geology of the Caledonia Park Quadrangle Area, South Mountain, Pennsylvania
| Publication, Text, Map | Geology, Bedrock Geology, Stratigraphy, Structural Geology, Petrography, Nonfuel Mineral Resources | | |
A 129c |
Geology and Mineral Resources of the Iron Springs Area, Adams and Franklin Counties, Pennsylvania
| Publication, Text, Map | Geology, Bedrock Geology, Stratigraphy, Structural Geology, Petrography, Nonfuel Mineral Resources, Hydrogeology | | |
A 133cd |
Geology and Mineral Resources of the Salladasburg and Cogan Station Quadrangles, Lycoming County, Pennsylvania
| Publication, Text, Map | Geology, Bedrock Geology, Surficial Geology, Stratigraphy, Structural Geology, Nonfuel Mineral Resources, Physiography | | |
A 134ab |
Geology and Mineral Resources of the Linden and Williamsport Quadrangles, Lycoming County, Pennsylvania
| Publication, Text, Map | Geology, Bedrock Geology, Surficial Geology, Glacial Geology, Stratigraphy, Structural Geology, Nonfuel Mineral Resources, Physiography | | |
A 135d |
Geology and Mineral Resources of the Middleburg Quadrangle, Snyder and Union Counties, Pennsylvania
| Publication, Text, Map, GIS Dataset | Geology, Bedrock Geology, Structural Geology, Nonfuel Mineral Resources, Topography | | |
A 136 |
Geology and Mineral Resources of the Millerstown Quadrangle, Perry, Juniata, and Snyder Counties, Pennsylvania
| Publication, Text, Map | Geology, Bedrock Geology, Stratigraphy, Structural Geology, Nonfuel Mineral Resources, Hydrogeology | | |
A 137ab |
Geology and Mineral Resources of the Northern Half of the New Bloomfield Quadrangle
| Publication, Text, Map | Geology, Bedrock Geology, Structural Geology, Nonfuel Mineral Resources | | |
A 137cd |
Geology and Mineral Resources of the Southern Half of the New Bloomfield Quadrangle, Pennsylvania
| Publication, Text, Map | Geology, Bedrock Geology, Surficial Geology, Structural Geology, Stratigraphy, Nonfuel Mineral Resources | | |
A 138ab |
Geology and Mineral Resources of the Carlisle and Mechanicsburg Quadrangles, Cumberland County, Pennsylvania
| Publication, Text, Map | Geology, Bedrock Geology, Structural Geology, Nonfuel Mineral Resources | | |
A 143cd |
Geology and Mineral Resources of the Montoursville North and Huntersville Quadrangles, Lycoming County, Pennsylvania
| Publication, Text, Map | Geology, Bedrock Geology, Glacial Geology, Surficial Geology, Structural Geology, Nonfuel Mineral Resources, Hydrogeology | | |
A 144ab |
Geology and Mineral Resources of the Montoursville South and Muncy Quadrangles and Part of the Hughesville Quadrangle, Lycoming, Northumberland, and Montour Counties, Pennsylvania
| Publication, Text, Map | Geology, Bedrock Geology, Surficial Geology, Stratigraphy, Structural Geology, Oil and Gas, Nonfuel Mineral Resources, Hydrogeology | | |
A 144cd |
Geology and Mineral Resources of the Allenwood and Milton Quadrangles, Union and Northumberland Counties, Pennsylvania
| Publication, Text, Map | Geology, Bedrock Geology, Surficial Geology, Stratigraphy, Structural Geology, Nonfuel Mineral Resources, Cultural Geology, Hydrogeology | | |
A 146 |
Geology and Mineral Resources of the Millersburg 15-Minute Quadrangle, Dauphin, Juniata, Northumberland, Perry, and Snyder Counties, Pennsylvania
| Publication, Text, Map | Geology, Bedrock Geology, Structural Geology, Nonfuel Mineral Resources, Hydrogeology | | |
A 148ab |
Geology and Mineral Resources of the Harrisburg West Area, Cumberland and York Counties, Pennsylvania
| Publication, Text, Map | Geology, Bedrock Geology, Stratigraphy, Structural Geology, Nonfuel Mineral Resources, Hydrogeology | | |
A 154cd |
Geology and Mineral Resources of the Washingtonville and Millville Quadrangles, Montour, Columbia, and Northumberland Counties, Pennsylvania
| Publication, Text, Map | Geology, Bedrock Geology, Surficial Geology, Stratigraphy, Structural Geology, Nonfuel Mineral Resources | | |
A 157d |
Geology, Mineral Resources and Environmental Geology of the Palmyra Quadrangle, Lebanon and Dauphin Counties
| Publication, Text, Map | Geology, Bedrock Geology, Stratigraphy, Structural Geology, Nonfuel Mineral Resources | | |
A 164cd |
Geology and Mineral Resources of the Bloomsburg and Mifflinville Quadrangles and Part of the Catawissa Quadrangle, Columbia County, Pennsylvania
| Publication, Text, Map | Geology, Bedrock Geology, Glacial Geology, Surficial Geology, Nonfuel Mineral Resources, Oil and Gas | | |
A 167c |
Geology of the Lebanon Quadrangle
| Publication, Text, Map, Stratigraphic Column | Geology, Bedrock Geology, Stratigraphy, Structural Geology, Nonfuel Mineral Resources, Hydrogeology | | |
A 167d |
Geology of the Richland Quadrangle
| Publication, Text, Map, Stratigraphic Column | Geology, Bedrock Geology, Stratigraphy, Structural Geology, Nonfuel Mineral Resources | | |
A 168 |
Lancaster Quadrangle—Geology and Mineral Resources
| Publication, Text, Map | Geology, Bedrock Geology, Structural Geology, Nonfuel Mineral Resources, Hydrogeology | | |
A 174c |
Geology and Mineral Resources of the Berwick Quadrangle, Luzerne and Columbia Counties, Pennsylvania
| Publication, Text, Map | Geology, Bedrock Geology, Glacial Geology, Surficial Geology, Structural Geology, Nonfuel Mineral Resources, Hydrogeology | | |
A 175b |
Bedrock Geology and Coal Resources of the Conyngham Quadrangle, Luzerne and Schuylkill Counties, Pennsylvania
| Publication, Text, Map, GIS Dataset | Geology, Bedrock Geology, Coal | | |
A 177c |
Geology and Mineral Resources of the Womelsdorf Quadrangle
| Publication, Text, Map | Geology, Bedrock Geology, Physiography, Nonfuel Mineral Resources | | |
A 177d |
Geology and Mineral Resources of the Sinking Spring Quadrangle, Berks and Lancaster Counties, Pennsylvania
| Publication, Text, Map, Stratigraphic Column | Geology, Bedrock Geology, Structural Geology, Nonfuel Mineral Resources, Petrography, Stratigraphy, Geochemistry, Geophysics | | |
A 178 |
Geology and Mineral Resources of the New Holland Quadrangle, Pennsylvania
| Publication, Text, Map | Geology, Bedrock Geology, Structural Geology, Nonfuel Mineral Resources | | |
A 187ab |
Geology and Mineral Resources of the Temple and Fleetwood Quadrangles, Berks County, Pennsylvania
| Publication, Text, Map | Geology, Bedrock Geology, Structural Geology, Stratigraphy, Nonfuel Mineral Resources, Topography | | |
A 187cd |
Geology and Mineral Resources of the Reading and Birdsboro Quadrangles, Berks County, Pennsylvania
| Publication, Text, Map, Stratigraphic Column | Geology, Bedrock Geology, Structural Geology, Stratigraphy | | |
A 189b |
Bedrock Geology of the Coatesville Quadrangle, Chester County, Pennsylvania
| Publication, Text, Map | Geology, Bedrock Geology, Structural Geology, Petrography | | |
A 194cd |
Geology and Mineral Resources of the Hickory Run and Blakeslee Quadrangles, Carbon and Monroe Counties, Pennsylvania
| Publication, Text, Map, Stratigraphic Column | Geology, Bedrock Geology, Surficial Geology, Nonfuel Mineral Resources, Structural Geology, Stratigraphy, Hydrogeology | | |
A 195ab |
Geology and Mineral Resources of the Christmans and Pohopoco Mountain Quadrangles, Carbon and Monroe Counties, Pennsylvania
| Publication, Text, Map, Stratigraphic Column | Geology, Bedrock Geology, Surficial Geology, Nonfuel Mineral Resources, Structural Geology, Stratigraphy | | |
A 195cd |
Geology and Mineral Resources of the Lehighton and Palmerton Quadrangles, Carbon and Northampton Counties, Pennsylvania
| Publication, Text, Map, Stratigraphic Column | Geology, Bedrock Geology, Surficial Geology, Nonfuel Mineral Resources, Structural Geology, Stratigraphy | | |
A 197 |
Geology of the Precambrian Rocks and Hardyston Formation of the Boyertown Quadrangle
| Publication, Text, Map | Geology, Bedrock Geology, Petrography, Stratigraphy, Carbonate Rock | | |
A 204ab |
Geology and Mineral Resources of the Tobyhanna and Buck Hill Falls Quadrangles, Monroe County, Pennsylvania
| Publication, Text, Map | Geology, Bedrock Geology, Glacial Geology, Surficial Geology, Structural Geology, Nonfuel Mineral Resources | | |
A 204cd |
Geology and Mineral Resources of the Pocono Pines and Mount Pocono Quadrangles, Monroe County, Pennsylvania
| Publication, Text, Map, Stratigraphic Column | Geology, Bedrock Geology, Surficial Geology, Structural Geology, Nonfuel Mineral Resources, Hydrogeology | | |
A 205a |
Geology and Mineral Resources of the Brodheadsville Quadrangle, Monroe and Carbon Counties, Pennsylvania
| Publication, Text, Map, Stratigraphic Column | Geology, Bedrock Geology, Glacial Geology, Surficial Geology, Structural Geology, Nonfuel Mineral Resources, Hydrogeology | | |
A 206 |
Allentown Quadrangle—Mineral Resources
| Publication, Text, Map | Geology, Bedrock Geology, Stratigraphy, Nonfuel Mineral Resources, Hydrogeology, Geophysics | | |
A 214a |
Geology and Mineral Resources of the Skytop Quadrangle, Monroe and Pike Counties, Pennsylvania
| Publication, Text, Map | Geology, Bedrock Geology, Glacial Geology, Surficial Geology, Structural Geology, Nonfuel Mineral Resources, Hydrogeology | | |
A 214c |
Surficial Geology of the East Stroudsburg 7½ Minute Quadrangle, Monroe County, Pennsylvania
| Publication, Text, Map | Geology, Glacial Geology, Surficial Geology, Bedrock Geology, Nonfuel Mineral Resources | | |
A 223 |
Geology and Economic Resources of the Pennsylvania Portion of the Milford and Port Jervis 15-Minute Quadrangles
| Publication, Text, Map, Stratigraphic Column | Geology, Bedrock Geology, Stratigraphy, Structural Geology, Nonfuel Mineral Resources, Oil and Gas | | |
A–1 Anthracite |
Geological and Topographical Map of the Anthracite Fields of Pennsylvania
| Map | Geology, Coal, Structural Geology | | |
A–1 CrossSections |
Geological Sections Across Pennsylvania, to Illustrate the Geological Map of the State
| Cross Section | Geology, Bedrock Geology, Stratigraphy | | |
A–1 GeoMap |
Geologic Map of the State of Pennsylvania
| Map | Geology, Bedrock Geology, Topography | | |
A–2 Bituminous |
General Map of the Bituminous Coal Fields of Pennsylvania—Showing the Position of the Collieries
| Map | Geology, Coal | | |
A–2 BucksMontgomery |
A Geological and Topographical Map of Most of Bucks and Montgomery Counties
| Map | Geology, Bedrock Geology, Structural Geology | | |
A–2 CrossSections |
Four Cross Sections of Bucks and Montgomery Cos.
| Cross Section | Geology, Bedrock Geology, Stratigraphy | | |
A–2 GeoMap |
Geological Map of Pennsylvania
| Map | Geology, Bedrock Geology | | |
A–2 Lebanon |
Geological Map of Lebanon County
| Map | Geology, Bedrock Geology | | |
C 1, Pt. 1 |
Geology and Mineral Resources of Adams County, Pennsylvania
| Publication, Text, Map | Geology, Bedrock Geology, Nonfuel Mineral Resources, Stratigraphy, Structural Geology, Cultural Geology | | |
C 1, Pt. 2 |
Mineral Resources of Adams County Pennsylvania
| Publication, Text, Map | Geology, Nonfuel Mineral Resources, Bedrock Geology | | |
C 1, Pt. 3 |
Soil Survey of Adams County, Pa.
| Publication, Text, Map | Geology, Surficial Geology, Cultural Geology | | |
C 9 |
Geology and Mineral Resources of Bucks County, Pennsylvania
| Publication, Text, Map, Stratigraphic Column | Geology, Bedrock Geology, Nonfuel Mineral Resources, Structural Geology, Fossils | | |
C 26 |
Geology and Mineral Resources of Fayette County, Pennsylvania
| Publication, Text, Map | Geology, Bedrock Geology, Coal, Nonfuel Mineral Resources, Oil and Gas, Structural Geology, Hydrogeology, Physiography, Cultural Geology | | |
C 30 |
Geology and Mineral Resources of Greene County, Pennsylvania
| Publication, Text, Map | Geology, Bedrock Geology, Coal, Oil and Gas, Nonfuel Mineral Resources, Structural Geology, Hydrogeology | | |
C 39 |
Lehigh County, Pennsylvania
| Publication, Text, Map | Geology, Bedrock Geology, Surficial Geology, Glacial Geology, Nonfuel Mineral Resources, Stratigraphy, Structural Geology, Hydrogeology, Cultural Geology | | |
C 48 |
Northampton County, Pennsylvania
| Publication, Text, Map | Geology, Bedrock Geology, Nonfuel Mineral Resources | | |
C 52 |
Geology and Mineral Resources of Pike County, Pennsylvania
| Publication, Text, Map | Geology, Bedrock Geology, Surficial Geology, Glacial Geology, Nonfuel Mineral Resources, Stratigraphy, Structural Geology | | |
C 56A |
Geology and Mineral Resources of Southern Somerset County, Pennsylvania
| Publication, Text, Map | Geology, Bedrock Geology, Nonfuel Mineral Resources, Coal, Hydrogeology, Stratigraphy, Structural Geology, Fossils | | |
C 67 |
Geology and Mineral Resources of York County, Pennsylvania
| Publication, Text, Map | Geology, Bedrock Geology, Nonfuel Mineral Resources, Stratigraphy, Structural Geology, Fossils | | |
EG 1 |
Engineering Characteristics of the Rocks of Pennsylvania
| Publication, Text | Geology, Bedrock Geology, Nonfuel Mineral Resources, Topography, Hydrogeology | | |
EG 2 |
Environmental Geology for Land-Use Planning
| Publication, Booklet | Geology, Cultural Geology | | |
EG 3 |
Subsurface Liquid Waste Disposal and Its Feasibility in Pennsylvania
| Publication, Text | Geology, Cultural Geology, Oil and Gas | | |
EG 4 |
Environmental Geology of the Greater Harrisburg Metropolitan Area
| Publication, Text, Map | Geology, Bedrock Geology, Hydrogeology, Nonfuel Mineral Resources, Topography, Surficial Geology | | |
EG 5 |
Building Stones of Pennsylvania’s Capital Area
| Publication, Booklet | Geology, Nonfuel Mineral Resources, Cultural Geology | | |
EG 6 |
Environmental Geology of the Greater York Area, York County, Pennsylvania
| Publication, Text, Map | Geology, Bedrock Geology, Hydrogeology, Nonfuel Mineral Resources, Surficial Geology, Geochemistry | | |
EG 7, Pt. 1 |
Outstanding Scenic Geological Features of Pennsylvania
| Publication, Text | Geology, Geologic Scenic Feature, Physiography | | |
EG 7, Pt. 2 |
Outstanding Scenic Geological Features of Pennsylvania, Part 2
| Publication, Text | Geology, Geologic Scenic Feature, Physiography | | |
EG 8 |
Your Guide to the Geology of the Kings Gap Area, Cumberland County, Pennsylvania
| Publication, Guidebook | Geology, Geologic Scenic Feature, Physiography, Nonfuel Mineral Resources | | |
EG 9 |
Landslide Susceptibility in the Williamsport 1- by 2-Degree Quadrangle, Pennsylvania
| Publication, Text, Map | Geology, Geologic Hazard, Surficial Geology, Glacial Geology | | |
EGSP Series 13 |
Black Shale and Sandstone Facies of the Devonian “Catskill” Clastic Wedge in the Subsurface of Western Pennsylvania
| Publication, Text, Map | Geology, Oil and Gas, Stratigraphy, Geophysics, Structural Geology | | |
ES 1 |
Rocks and Minerals of Pennsylvania
| Publication, Booklet | Geology, Mineralogy | | |
ES 2 |
Common Fossils of Pennsylvania
| Publication, Booklet | Geology, Fossils | | |
ES 3 |
The Geology of Pennsylvania’s Groundwater
| Publication, Booklet | Geology, Hydrogeology | | |