Before you access any data, please read the RIGIS license agreement...

...and please help us to continue this free service by
filling out this quick survey.

Geological and Geophysical

	name	description	type	publication date	metadata	download
	Barrier Islands and Spits	Barrier islands and spits for coastal RI and Narragansett Bay from USGS quads.		01/1989		s44gbb89.zip (0.2 MB) E00; barislands.zip (0.1 MB) SHP
	Bedrock Geology	Bedrock geology from 1994 as determined by the Department of Geological Sciences and the Office of the State Geologist at URI.		01/1994		s44gbr95_e00.zip (0.9 MB) E00; bedrock_shp.zip (0.9 MB) SHP
	Glacial Deposits	Glacial deposits of RI from 1965 USGS classification and mapping.		01/1989		s44ggl88.zip (3.3 MB) E00; glacial.zip (4.1 MB) SHP
	Soil Survey Geographic (SSURGO) Soil Polygons	1996 USDA/NRCS SSURGO soils delineated with name, type and feature attributes. Updated in 2008 with additional attribute data and documentation. RI NRCS has also contributed symbology compatible with ESRI software, and an additional SSURGO reference database designed for use with Microsoft Access software.		12/2008		soils08.zip (70 MB) SHP
	Soil Survey Geographic (SSURGO) Special Line Features	A product of the USDA NRCS SSURGO database, these data display the location of line features too small to delineate at the mapping scale, but they are large enough and contrasting enough to significantly influence use and management.		12/2008		soilLines08.zip (0.7 MB) SHP
	Soil Survey Geographic (SSURGO) Special Point Features	A product of the USDA NRCS SSURGO database, these data display the location of point features too small to delineate at the mapping scale, but they are large enough and contrasting enough to significantly influence use and management.		12/2008		soilPoints08.zip (0.7 MB) SHP

All data on this site are copyrighted. Please review the RIGIS license agreement before accessing any data.