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Geological and Geophysical

 namedescriptiontypepublication datemetadatadownload
Barrier Islands and SpitsBarrier 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 GeologyBedrock 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 DepositsGlacial deposits of RI from 1965 USGS classification and mapping. 01/1989
s44ggl88.zip (3.3 MB) E00;
glacial.zip (4.1 MB) SHP
Soil Erosion IndicesSoil erosion indices, indicating how susceptible a given soil type is to water erosion. 5-m spatial resolution. The single download file contains two datasets in ERDAS IMG format: one representing the soil erosion index for soil located 0-6" below ground surface, and the other for 24-30". 09/2014
soilErosion13.zip (164 MB) IMG
Soils2014 Rhode Island Soil Survey Program soils delineated with name, type and feature attributes. 03/2014
soils14.zip (41 MB) SHP
Soils: Special Line FeaturesLocations of line features too small to delineate at the mapping scale used by the RI Soil Survey Program, but large enough and contrasting enough to significantly influence use and management. 03/2014
soilLines14.zip (0.4 MB) SHP
Soils: Special Point FeaturesLocation of point features too small to delineate at the mapping scale used by the RI Soil Survey Program, but large enough and contrasting enough to significantly influence use and management. 03/2014
soilPoints14.zip (0.5 MB) SHP

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