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Author: Helen L. Delano
Publisher:
ISBN:
Category : Landslides
Languages : en
Pages : 48
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Book Description
Author: Helen L. Delano
Publisher:
ISBN:
Category : Landslides
Languages : en
Pages : 48
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Book Description
Author: Reginald Peter Briggs
Publisher:
ISBN:
Category : Landslides
Languages : en
Pages : 28
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Book Description
Man should proceed with caution if modifications such as loading, excavation, or changes of the water regime are contemplated for slopes in Allegheny County, especially those slopes described on the map as highly sensitive to disturbance by man. Features indicative of unstable slope conditions include: cracks in buildings, yard walls, and pools; doors and windows that jam; fences and other linear features bowed out of line; tilted trees and utility poles; cracks and steplike ground features; hummocky ground; and water seeps. Geologic factors related to the landsliding process include rock types, layering, fracturing, and attitude; nature of soil cover; permeability of rocks and soils; and steepness of slope.
Author: Helen L. Delano
Publisher: Department of Conservation and Natural Resources
ISBN:
Category : Science
Languages : en
Pages : 216
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Book Description
Author: Pennsylvania. Bureau of Topographic and Geologic Survey
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 40
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Book Description
Author: Reginald Peter Briggs
Publisher:
ISBN:
Category : Land use
Languages : en
Pages : 36
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Book Description
Summary description of geologic and hyrologic studies.
Author: John P. Wilshusen
Publisher:
ISBN:
Category : Earth movements
Languages : en
Pages : 64
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Book Description
Author: Arthur P. Schultz
Publisher: Geological Society of America
ISBN: 0813722365
Category : Science
Languages : en
Pages : 110
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Book Description
Author: J. Peter Wilshusen
Publisher:
ISBN: 9780788174155
Category :
Languages : en
Pages : 56
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Book Description
Describes the most frequent & widespread natural geological hazards in Pennsylvania: landslides & sinkholes & other solution features. Earthquakes have not been of sufficient intensity in Pennsylvania to cause much concern but they are briefly discussed here. Descriptions of these hazards & an awareness of their distribution will help planners, local government officials, developers, & private citizens to recognize & deal with them in a timely & effective manner. Maps & photos.
Author: Christopher S. Alger
Publisher:
ISBN:
Category : Landslides
Languages : en
Pages : 130
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Book Description
Author: Pennsylvania. Bureau of Topographic and Geologic Survey
Publisher:
ISBN:
Category : Environmental protection
Languages : en
Pages : 204
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Book Description
