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  1. Title: Geologic map of the Condor Peak quadrangle, Los Angeles County, California

    Contributors:

    Summary: by Thomas W. Dibblee, Jr. and Bruce Carter ; edited by John A. Minch. Relief shown by contours and spot heights. "Topographic base map from newest available USGS 7.5-minute quadrangle CONDOR PEAK, CA 1995, NIMA 2352 I SW-Series V895" "Prepared in cooperation with the Santa Barbara Museum of Natural History and the Angeles National Forest." "Leon T. Silver Honorary Map." "First printing, May 2002". Includes 2 col. cross sections, quadrangle location map, index to adjacent 7.5 minute quadrangles, and index to sources of geology. Includes "pertinent references".

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  2. Title: Milton, Massachusetts, ca. 1966 (Raster Image)

    Contributors:

    Summary: This layer is a georeferenced raster image of the historic paper map entitled: Map of Milton, Massachusetts, Milton Planning Board ; A. Herbert Bruce, town engineer. It was published by the Board ca. 1966. Scale [ca. 1:14,000]. The image inside the map neatline is georeferenced to the surface of the earth and fit to the Massachusetts State Plane Coordinate System, Mainland Zone (in Feet) (Fipszone 2001). All map collar and inset information is also available as part of the raster image, including any inset maps, profiles, statistical tables, directories, text, illustrations, index maps, legends, or other information associated with the principal map. This map shows features such as roads, railroads, drainage, town boundaries, selected buildings, parks, cemeteries, and more. Includes index.This layer is part of a selection of digitally scanned and georeferenced historic maps from the Harvard Map Collection. These maps typically portray both natural and manmade features. The selection represents a range of originators, ground condition dates, scales, and map purposes.

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  3. Title: Geologic atlas of Goodhue County, Minnesota, C-12, Part A, Plate 5, Bedrock Topography

    Contributors:

    Summary: Map showing the elevation of the bedrock surface (bedrock topography), scale 1:100,000, Goodhue County.

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  4. Title: Bedrock geology of Waseca County, Minnesota, M-73, Plate 2

    Contributors:

    Summary: Structure (recognizable features produced by deformation of rocks) maps of the St. Peter Sandstone, Prairie du Chien Group, and Jordan Sandstone; Isopach (thickness) maps of the St. Peter Sandstone and Prairie du Chien Group and aeromagnetic anomaly data (relative to the earth's magnetic field interpretation of magnetic data collected from airborne surveys indicating the distribution and concentration of magnetic minerals (primarily iron-bearing) within the upper crust of the earth, scale 1:125,000.

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  5. Title: Bedrock geology of Waseca County, Minnesota, M-73, Plate 1

    Contributors:

    Summary: Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments), scale 1:62,500, Waseca County.

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  6. Title: Bedrock geology of Waseca County, Minnesota, M-73, Plate 3

    Contributors:

    Summary: Cross sections and structure (recognizable features produced by deformation of rocks) map of the Mt. Simon Sandstone, extending into Le Sueur and Rice Counties, scale 1:100,000; water quality-chemistry from bedrock wells, scale 1:125,000.

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  7. Title: Geologic atlas of Ramsey County, Minnesota, C-7, Plate 2, Bedrock Geology

    Contributors:

    Summary: Map showing interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) with cross section diagrams, scale 1:48,000, Ramsey County.

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  8. Title: Geologic atlas of Washington County, Minnesota, C-5, Plate 4, Bedrock Topography

    Contributors:

    Summary: Map showing the thickness of unconsolidated materials over the bedrock surface (depth to bedrock) and the elevation of the bedrock surface (bedrock topography), scale 1:100,000, Washington County.

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  9. Title: Geologic atlas of Washington County, Minnesota, C-5, Plate 1, Data Base

    Contributors:

    Summary: Map showing locations of water wells, soil borings, outcrops and cuttings samples collected during water well drilling. Distribution and sources of primary information tthat guide the geologic interpretations used to make the geologic maps in the series, scale 1:100,000, Washington County.

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  10. Title: Geologic atlas of Dakota County, Minnesota, C-6, Plate 1, Data Base

    Contributors:

    Summary: Map showing locations of water wells, soil borings, outcrops and cuttings samples collected during water well drilling. Distribution and sources of primary information tthat guide the geologic interpretations used to make the geologic maps in the series, scale 1:100,000, Dakota County.

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  11. Title: Geologic atlas of Dakota County, Minnesota, C-6, Plate 4, Depth to Bedrock

    Contributors:

    Summary: Map showing the thickness of unconsolidated materials over the bedrock surface (depth to bedrock) and the elevation of the bedrock surface (bedrock topography), scale 1:100,000, Dakota County.

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  12. Title: Geologic atlas of Washington County, Minnesota, C-5, Plate 2, Bedrock Geology

    Contributors:

    Summary: Map showing interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) with cross section diagrams, scale 1:100,000, Washington County.

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  13. Title: Geologic atlas of Hennepin County, Minnesota, C-4, Plate 1, Data Base

    Contributors:

    Summary: Map showing locations of water wells, soil borings, outcrops and cuttings samples collected during water well drilling. Distribution and sources of primary information tthat guide the geologic interpretations used to make the geologic maps in the series, scale 1:100,000, Hennepin County.

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  14. Title: Bedrock geologic and topographic maps of the Minneapolis-St. Paul urban area, Minnesota, M-57, Plate 1

    Contributors:

    Summary: Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of the Minneapolis and St. Paul urban area, scale 1:48,000.

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  15. Title: Bedrock geologic and topographic maps of the Minneapolis-St. Paul urban area, Minnesota, M-57, Plate 2

    Contributors:

    Summary: Bedrock topography (elevation of the bedrock sruface) map of the Minneapolis and St. Paul urban area, scale 1:48,000.

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  16. Title: Geologic atlas of Hennepin County, Minnesota, C-4, Plate 4, Depth to Bedrock

    Contributors:

    Summary: Map showing the thickness of unconsolidated materials over the bedrock surface (depth to bedrock) and the elevation of the bedrock surface (bedrock topography), scale 1:100,000, Hennepin County.

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  17. Title: Geologic atlas of Hennepin County, Minnesota, C-4, Plate 8, Well Construction

    Contributors:

    Summary: Map showing requirements of well construction practices and regulations as they relate to geology and location of a well on the land surface and surroundings, scale 1:100,000, Hennepin County.

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  18. Title: Geologic atlas of Hennepin County, Minnesota, C-4, Plate 2, Bedrock Geology

    Contributors:

    Summary: Map showing interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) with cross section diagrams, scale 1:100,000, Hennepin County.

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  19. Title: Geologic atlas of Ramsey County, Minnesota, C-7, Plate 10, Well Construction

    Contributors:

    Summary: Map showing requirements of well construction practices and regulations as they relate to geology and location of a well on the land surface and surroundings, scale 1:48,000, Ramsey County.

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  20. Title: Geologic atlas of Dakota County, Minnesota, C-6, Plate 8, Well Construction

    Contributors:

    Summary: Map showing requirements of well construction practices and regulations as they relate to geology and location of a well on the land surface and surroundings, scale 1:125,000, Dakota County.

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