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1. 90-Meter Bathymetric Grid, New England, 1999

1999. National Geophysical Data Center, United States. Department of Commerce, United States. National Oceanic and Atmospheric Administration, and United States. National Environmental Satellite, Data, and Information Service. This raster dataset provides bathymetry information at a resolution of 90 meters for New England- from coastal regions to the edge of the continent... National Geophysical Data Center.

2. Ambient and fixed station network groundwater monitoring point data (1985 - 1998): Pennsylvania

1999. PA Department of Environmental Protection. This coverage represents the point locations and data for 1,106 groundwater quality monitoring points sampled under the PA DEP Fixed Station Networ...

3. Baylands Boundary: San Francisco Bay Area, California, 1999

1999. Bay Area Open Space Council, Conservation Lands Network, San Francisco Bay Area Upland Habitat Goals Project, and GreenInfo Network (Firm). This polygon shapefile represents the edge of the baylands boundary, as published in the San Francisco Estuary Institute's Eco Atlas released in 19... Bay Area Open Space Council.

4. Bedrock geologic map and mineral exploration data of the western Vermilion district, St Louis and Lake Counties, northeastern Minnesota, M-98

1999. Peterson, Dean M. and Jirsa, Mark A. Compilation of interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments), mineral exploration dat...

5. Bedrock geologic map of northwestern Minnesota, M-92

1999. Jirsa, Mark A., Chandler, Val W., and Runkel, Anthony C. Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of northwestern Minnesota, scale 1:200,...

6. Bedrock geologic map of the Aitkin 30 x 60 minute quadrangle, east-central Minnesota, M-99, Plate 1

1999. Boerboom, Terrency J., Severson, Mark J., and Southwick, David L. Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) Aitkin quadrangle, scale 1:100,000.

7. Bedrock geologic map of the Aitkin 30 x 60 minute quadrangle, east-central Minnesota, M-99, Plate 2

1999. Boerboom, Terrency J., Severson, Mark J., and Southwick, David L. Data base, Aitkin quadrangle showing drill holes, outcrops and other data used to make interpretations of bedrock geology for map M-99, scale 1:100...

8. Bedrock geologic map of the Allen quadrangle, Minnesota, M-91

1999. Severson, Mark J. and Miller, James D., Jr. Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of the Allen quadrangle, scale 1:24,000.

9. Bedrock geologic map of the central Duluth Complex and the western part of the Beaver Bay Complex Lake and St Louis Counties, Minnesota, M-101

1999. Miller, James D., Jr. and Chandler, Val W. Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of part of the Duluth Complex, scale 1:...

10. Bedrock geologic map the Mille Lacs 30 x 60 minute quadrangle, east-central Minnesota, M-100, Plate 1

1999. Boerboom, Terrency J., Severson, Mark J., and Southwick, David L. Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) Mille Lacs quadrangle, scale 1:100,000.