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The Structural and Metamorphic History of the Wissahickon Formation in the Philadelphia Area
Title:
The Structural and Metamorphic History of the Wissahickon Formation in the Philadelphia Area
Description:
From Amenta, R., The Structural and Metamorphic History, Bryn Mawr 1970, Plate 2.
Date:
1970-04
Collection:
Geology Maps
The Structural and Metamorphic History of the Wissahickon Formation in the Philadelphia Area. Map of the Schuylkill structures.
Title:
The Structural and Metamorphic History of the Wissahickon Formation in the Philadelphia Area. Map of the Schuylkill structures.
Description:
From Amenta, R., The Structural and Metamorphic History, Bryn Mawr 1970, Figure 3.
Date:
1970-04
Collection:
Geology Maps
The Structural and Metamorphic History of the Wissahickon Formation in the Philadelphia Area. Map of the compositional layering and Fairmount schistosity.
Title:
The Structural and Metamorphic History of the Wissahickon Formation in the Philadelphia Area. Map of the compositional layering and Fairmount schistosity.
Description:
From Amenta, R., The Structural and Metamorphic History, Bryn Mawr 1970, Figure 4.
Date:
1970-04
Collection:
Geology Maps
The Structural and Metamorphic History of the Wissahickon Formation in the Philadelphia Area. Map of the Gladwyne structures.
Title:
The Structural and Metamorphic History of the Wissahickon Formation in the Philadelphia Area. Map of the Gladwyne structures.
Description:
From Amenta, R., The Structural and Metamorphic History, Bryn Mawr 1970, Figure 6.
Date:
1970-04
Collection:
Geology Maps
The Structural and Metamorphic History of the Wissahickon Formation in the Philadelphia Area. Map of the Barmouth structures.
Title:
The Structural and Metamorphic History of the Wissahickon Formation in the Philadelphia Area. Map of the Barmouth structures.
Description:
From Amenta, R., The Structural and Metamorphic History, Bryn Mawr 1970, Figure 7.
Date:
1970-04
Collection:
Geology Maps
The Structural and Metamorphic History of the Wissahickon Formation in the Philadelphia Area. Map of the Wissahickon Creek structures.
Title:
The Structural and Metamorphic History of the Wissahickon Formation in the Philadelphia Area. Map of the Wissahickon Creek structures.
Description:
From Amenta, R., The Structural and Metamorphic History, Bryn Mawr 1970, Figure 5.
Date:
1970-04
Collection:
Geology Maps
The Structural and Metamorphic History of the Wissahickon Formation in the Philadelphia Area. Map of the Fairmount Structures.
Title:
The Structural and Metamorphic History of the Wissahickon Formation in the Philadelphia Area. Map of the Fairmount Structures.
Description:
From Amenta, R., The Structural and Metamorphic History, Bryn Mawr 1970, Figure 2.
Date:
1970-04
Collection:
Geology Maps
Aerial photograph southwest of Blackbird, Delaware, showing the Borthwick area
Title:
Aerial photograph southwest of Blackbird, showing the Borthwick area
Description:
The Bays And Basins Of Delaware. Overlay isopach map of the Wicomico formation, Pleistocene series. Explanation, Contour lines indicate thickness of the Wicomico formation; From Rasmussen, W., Geology and Hydrology of the Bays and Basins of Delaware, 1958, Plate 4E.
Date:
1958
Collection:
Geology Maps
Aerial photograph southwest of Blackbird, Delaware, showing the Borthwick area
Title:
Aerial photograph southwest of Blackbird, showing the Borthwick area
Description:
The Bays And Basins Of Delaware. Overlay map of water table during low stage. Explanation, Contour Interval 1 Foot Datum is Mean Sea Level. Contour of water table Sept.30 to Oct. 4, 1957; From Rasmussen, W., Geology and Hydrology of the Bays and Basins of Delaware, 1958, Plate 4F.
Date:
1957
Collection:
Geology Maps
Aerial photograph southwest of Blackbird, Delaware, showing the Borthwick area
Title:
Aerial photograph southwest of Blackbird, showing the Borthwick area
Description:
The Bays And Basins Of Delaware. Overlay map of the water table during high recharge. Explanation, Contour Interval 1 Foot Datum Is Mean Sea Level. Contour on the water table Dec. 23-30, 1957; From Rasmussen, W., Geology and Hydrology of the Bays and Basins of Delaware, 1958, Plate 4G.
Date:
1957
Collection:
Geology Maps
Columbia (Pleistocene) Sediments of Delaware
Title:
Columbia (Pleistocene) Sediments of Delaware
Description:
From Jordan, R., Columbia (Pleistocene) Sediments of Delaware, Bryn Mawr, 1964., Plate 9.
Date:
1964-04
Collection:
Geology Maps
Contact Metamorphism in Van Artsdalen's Quarry, near Feasterville, Pennsylvania
Title:
Contact Metamorphism in Van Artsdalen's Quarry, Pennsylvania
Description:
From Weiss, J., Contact Metamorphism in Van Artsdalen's Quarry, Bryn Mawr 1945., Figure 1.
Date:
1946
Collection:
Geology Maps
Aerial photograph southwest of Blackbird, Delaware, showing the Borthwick area
Title:
Aerial photograph southwest of Blackbird, showing the Borthwick area
Description:
Overlay map of the topography showing the basins and rims. Scale 1, 4, 800, Contour Interval 2 Feet. Datum is Mean Sea Level.; From Rasmussen, W., Geology and Hydrology of the Bays and Basins of Delaware, 1958, Plate 4A.
Date:
1958
Collection:
Geology Maps
Geologic map of Clayton quadrangle, topographic map. Areal Geology. Clayton Quadrangle. Delaware, New Castle and Kent County. Miocene, Pleistocene (Columbia group), Late Pleistocene and Recent, Tertiary, Quarternary.
Title:
Geologic map of Clayton quadrangle, Quarternary.
Description:
From Rasmussen, W., Geology and Hydrology of the Bays and Basins of Delaware, 1958, Insert accompanying Plate 3.
Date:
1958
Collection:
Geology Maps
The Structural and Metamorphic History of the Wissahickon Formation in the Philadelphia Area
Title:
The Structural and Metamorphic History of the Wissahickon Formation in the Philadelphia Area
Description:
From Amenta, R., The Structural and Metamorphic History, Bryn Mawr 1970, Figure 38.
Date:
1970-04
Collection:
Geology Maps
The Structural and Metamorphic History of the Wissahickon Formation in the Philadelphia Area
Title:
The Structural and Metamorphic History of the Wissahickon Formation in the Philadelphia Area
Description:
From Amenta, R., The Structural and Metamorphic History, Bryn Mawr 1970.
Date:
1970-04
Collection:
Geology Maps
Geologic map of Milton quadrangle, topographic map. Areal Geology. Milton Quadrangle. Delaware, Sussex County. Pleistocene, Late Pleistocene and Recent, Quaternary.
Title:
Geologic map of Milton quadrangle, Quaternary.
Description:
From Rasmussen, W., Geology and Hydrology of the Bays and Basins of Delaware, 1958, Insert accompanying Plate 5.
Date:
1958
Collection:
Geology Maps
The Structural and Metamorphic History of the Wissahickon Formation in the Philadelphia Area
Title:
The Structural and Metamorphic History of the Wissahickon Formation in the Philadelphia Area
Description:
From Amenta, R., The Structural and Metamorphic History, Bryn Mawr 1970, Figure 10.
Date:
1970-04
Collection:
Geology Maps
Research Map. Kyanite Associated Minerals.
Title:
Research Map. Kyanite Associated Minerals.
Description:
From Research Map. Kyanite Associated Minerals., Figure 17.
Collection:
Geology Maps
Research Map. Boundary of Baltimore gneiss Philadelphia.
Title:
Research Map. Boundary of Baltimore gneiss Philadelphia.
Collection:
Geology Maps

Pages