Scanned and digitized USGS Surficial Geologic Maps
The OMSG, in cooperation with the USGS, is in the process of vectorizing published USGS surficial geologic maps (GQ's and others) for the state of Massachusetts.
About these maps:
These maps are interim map products are available through our FTP site, and consist of:
The TIF files are of a cropped image of the map and are very large (50+ MB). We will be converting scanned images of the entire maps (with legends, etc...) to smaller-sized JPG files in February and March, 2006, and placing them on the FTP site as they are completed.
The datum and projection for the TIFs and E00 files is NAD 1927, zone 19N.
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webpage last updated 3/32009