• Digital Surficial geologic maps by the OMSG
  
• Digital Surficial geologic map compilations from the USGS (1:24K)
  
• Digital scanned images of paper USGS 7.5' surficial geologic maps (provided by the OMSG)
  
• Published surficial geologic maps (paper and digital) from the USGS - Find them using the National Geologic Map Database and the USGS Publications Warehouse
  
• Digital soil survey maps for Massachusetts (maintained by MassGIS)
  
• Prototype 3D surficial geologic map of the Marlborough Quadrangle 
  
• Prototype surficial materials map of the Marlborough Quadrangle
  

• Digital 1:24K 7.5' bedrock geologic quadrangle maps by the OMSG 
  
• 1:24K Bedrock fracture characterization maps and databases by the OMSG
  
• Bedrock geologic maps by the USGS - Find them for your area using the National Geologic Map Database and the USGS Publications Warehouse
  
• The 1:250K Bedrock Geologic Map of Massachusetts
  
• The U-Mass Geosciences publication series
  
  
  

• Well Inventories by the OMSG
  
• Boston Subsurface Project at Tufts University
  
• Well Completion Reports (WCR) filed with Mass-DCR -These can be obtained by contacting Laurene Poland (see website for contact information)
  
• USGS Hydrologic Data Reports (HDRs) - These commonly contain information on subsurface groundwater conditions and other information for a given region, including subsurface boring logs.  A list of these for Massachusetts is in the Massachusetts Hydrogeologic Information Matrix (page 65).  They can be accessed online by searching for the report title in the USGS Publications Warehouse.  Many of these are catalogged by the USGS as Open File Reports or Hydrologic Atlases.
  
• USGS Water-Resources Investigation Reports - Search for these using the USGS Publications Warehouse
  
• USGS Hydrologic Investigations Atlas (HAs) - Commonly contain data on groundwater and may contain subsurface boring logs and information for a given area.  These can be searched via the National Geologic Map Database or USGS Publications Warehouse
  
• Bedrock Depth Contour Maps for specific 7.5' quadrangles in Massachusetts are published by the USGS in a variety of publication series.  These can be searched via the National Geologic Map Database or USGS Publications Warehouse.

• USGS Water Resources of Massachusetts and Rhode Island
• Realtime Groundwater Data for select wells in Massachusetts
• Groundwater Data
• Groundwater Climate Response Network

• Land area potentially affected by sea level rise along the Massachusetts coast (OMSG OFR-06-01) - Please right-click and select "Save Link/Target As..."
  
• Recent USGS Publications for Massachusetts
  
• Other resources for maps and data
  
• Historical Cadastral Maps and Illustrations
• Geologic Fieldtrip Guidebook database for North America - (AGI)

OMSG geologic maps: About OMSG Geologic Maps All of our maps are available as digital PDF files and/or GIS files for download. Paper copies of our maps are available for a fee (contact us for more information)

Searching USGS geologic maps: National Geologic Map Database A searchable database (by location) of all USGS map products and maps by state geologic surveys, etc...  Contains published and open-file paper and digital surficial and bedrock geologic maps, hydrogeologic atlases, geophysical information, depth to bedrock, etc... USGS Publications Warehouse A bibliographic database of all USGS publications Massachusetts DEP Hydrogeologic Information Matrix

webpage last updated 3/3/2009

Comments / Suggestions / Problems / Questions? E-mail jkopera@geo.umass.edu