Walsh, Gregory J.

About the author

U.S. Geological Survey, Central Region, Rocky Mountain area, Geology discipline
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Bedrock Geologic Map of the Windham Quadrangle, Rockingham and Hillsborough Counties, New Hampshire: Brittle geologic structure data

Cartographic point coverage for brittle geologic structure data. The geologic data was mapped during the summer of 1998 at a scale of 1:24,000. The bedrock geology was mapped using standard techniques. Locational information was provided by Rockwell PLGR

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Bedrock Geologic Map of the Windham Quadrangle, Rockingham and Hillsborough Counties, New Hampshire: Cartographic point coverage for ductile geologic structure data.

Cartographic point coverage for ductile geologic structure data. The geologic data was mapped during the summer of 1998 at a scale of 1:24,000. The bedrock geology was mapped using standard techniques. Locational information was provided by Rockwell PLGR

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Bedrock Geologic Map of the Windham Quadrangle, Rockingham and Hillsborough Counties, New Hampshire: General description

The bedrock geology of the 7.5-minute Windham quadrangle, New Hampshire consists of deformed early Paleozoic crystalline metamorphic and intrusive igneous rocks intruded by Mesozoic igneous dikes. The geologic data was mapped during the summer of 1998 at

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Bedrock Geologic Map of the Windham Quadrangle, Rockingham and Hillsborough Counties, New Hampshire: Line coverage for topography

Line coverage for topography. Not attributed for elevation. Designed for use as a base map. The geologic data was mapped during the summer of 1998 at a scale of 1:24,000. The bedrock geology was mapped using standard techniques. Locational information w

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Bedrock Geologic Map of the Windham Quadrangle, Rockingham and Hillsborough Counties, New Hampshire: Linear geologic features

Line coverage for geologic lines including isograds, axial traces, cross-section lines, etc.. Includes annotation for geologic names such as plutons and locations for sample sites. The geologic data was mapped during the summer of 1998 at a scale of 1:24

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Bedrock Geologic Map of the Windham Quadrangle, Rockingham and Hillsborough Counties, New Hampshire: Point coverage for geologic structure data.

Point coverage for geologic structure data. The geologic data was mapped during the summer of 1998 at a scale of 1:24,000. The bedrock geology was mapped using standard techniques. Locational information was provided by Rockwell PLGR+96 GPS receivers usi

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Bedrock Geologic Map of the Windham Quadrangle, Rockingham and Hillsborough Counties, New Hampshire: Polygon coverage for bedrock geologic units.

Polygon coverage for bedrock geologic units. The geologic data was mapped during the summer of 1998 at a scale of 1:24,000. The bedrock geology was mapped using standard techniques. Locational information was provided by Rockwell PLGR+96 GPS receivers us

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Bedrock Geologic Map of the Windham Quadrangle, Rockingham and Hillsborough Counties, New Hampshire: Polygon coverage for outcrops or bedrock exposures examined during this study.

Polygon coverage for outcrops or bedrock exposures examined during this study. The geologic data was mapped during the summer of 1998 at a scale of 1:24,000. The bedrock geology was mapped using standard techniques. Locational information was provided by

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Bedrock geologic map of the Hubbard Brook Experimental Forest, Grafton County, New Hampshire

The bedrock geology of the Hubbard Brook Experimental Forest, Grafton County, New Hampshire is described in this report of new field investigation. The database includes contacts of bedrock geologic units, faults, folds, and other structural geologic inf

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