TEXT:

The description of the water resources of the individual basins is taken from "Water Resources of Massachusetts" (Alison C. Simcox, U.S. Geological Survey, Water Resources Investigations Report, 90-9144)

MAPS:

Base maps:

• Massachusetts and Rhode Island

Base from U.S.G.S. Digital Line Graphs, 1:100000, 1983

Based on Massachusetts coordinate system

• Surficial Geology:

• Massachusetts:

  Surficial geology datalayer interpreted and compiled by Byron Stone, USGS, 1992.

  Digitized and completed by MassGIS, 1:125000.

• Rhode Island:

  Based from Rhode Island Board of Governors for Higher Education

  Glacial map of Rhode Island, 1:24 000, 1989

  Based on Massachusetts coordinate system

• Bedrock Geology:

• Massachusetts:

  Bedrock Geologic Map of Massachusetts, E-an Zen, Editor

  USGS, 1983, 1:250000

• Rhode Island:

  Based from Rhode Island Board of Governors for Higher Education

  Bedrock geologic map of Rhode Island, 1:100 000, 1994

  Based on Massachusetts coordinate system