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RI Soil Survey Map Unit Legend

Rhode Island Soil Survey - Map Unit Legend

Picture of Rhode Island Soil Survey Book

The published Soil Survey of Rhode Island is considered to be an archived report and NOT "Official" USDA-NRCS soil data. The source to obtain "Official" NRCS soil maps (spatial data) and interpretive information (tabular data) is from the Web Soil Survey (http://websoilsurvey.nrcs.usda.gov/app/).

The archived published report (manuscript and maps) has been scanned into an electronic format and is posted online at: http://soils.usda.gov/survey/online_surveys/rhode_island/ a GIS file of the index to atlas sheets with hyperlinks to the scanned map sheets is available at: http://nesoil.com/ri/map_index.zip.

Click on the map unit symbol to link to the map unit description from the published soil survey (Rector, 1981). Includes soil map units for the 2013 update (NOTE: some map unit information is no longer current and/or accurate).

 

Map
Unit

Map Unit Name

Farmland
Rating

Erosion
Rating

Capability
Class

Aa Adrian muck (No longer mapped in RI - see unit SwA - Swansea)     5w
AfA Agawam fine sandy loam, 0 to 3 percent slopes Prime   1
AfB Agawam fine sandy loam, 3 to 8 percent slopes Prime Potentially High 2e
Aq Aquapaug     8w
Ba Beaches     8
Bax Beaches, bouldery surface     8
Baz Beaches, cobbly surface     8
Be Beaches, undifferentiated (No longer mapped in 2013 soils)     8
Bc Birchwood sandy loam Prime   2w
BhA Bridgehampton silt loam, 0 to 3 percent slopes Prime   1e
BhB Bridgehampton silt loam, 3 to 8 percent slopes Important Potentially High 2e
BiB Bigapple sand, 0 to 8 percent slopes     3s
BmA Bridgehampton silt loam, till substratum, 0 to 3 percent slopes Prime   1
BmB Bridgehampton silt loam, till substratum, 3 to 8 percent slopes Important Potentially High 2e
BnB Bridgehampton-Charlton complex, very stony, 0 to 8 percent slopes   Potentially High 6s
BnC Bridgehampton-Charlton complex, very stony, 8 to 15 percent slopes     6s
BoC Bridgehampton-Charlton complex, extremely stony, 3 to 15 percent slopes   Potentially High 7s
BrA Broadbrook silt loam, 0 to 3 percent slopes Prime   1
BrB Broadbrook silt loam, 3 to 8 percent slopes Prime Potentially High 2e
BsB Broadbrook very stony silt loam, 0 to 8 percent slopes   Potentially High 6s
Bu Burlingame, sandy loam, extremely bouldery     8w
CaC Canton-Charlton-rock outcrop complex, 3 to 15 percent slopes   Potentially High 7s/8
CaD Canton-Charlton-rock outcrop complex, 15 to 35 percent slopes   High 7s/8
CB Canton-urban land complex     2e/8
CC Canton-urban land complex, very rocky     6s/8
CdA Canton and Charlton fine sandy loams, 0 to 3 percent slopes Prime   1
CdB Canton and Charlton fine sandy loams, 3 to 8 percent slopes Prime Potentially High 2e
CdC Canton and Charlton fine sandy loams, 8 to 15 percent slopes Important High 3e
CeC Canton and Charlton fine sandy loams, very rocky, 3 to 15 percent slopes   Potentially High 6s
ChB Canton and Charlton very stony fine sandy loams, 3 to 8 percent slopes   Potentially High 6s
ChC Canton and Charlton very stony fine sandy loams, 8 to 15 percent slopes   High 6s
ChD Canton and Charlton very stony fine sandy loams, 15 to 25 percent slopes   High 6s
CkC Canton and Charlton extremely stony fine sandy loams, 3 to 15 percent slopes    

7s

CrC Canton fine sandy loam, 3 to 15 percent slopes, rocky      
CrD Canton fine sandy loam, 15 to 35 percent slopes, rocky      
CxC Canton fine sandy loam, 3 to 15 percent slopes, extremely bouldery      
CxD Canton fine sandy loam, 15 to 35 percent slopes, extremely bouldery      
Co Carlisle muck (No longer mapped in RI - see unit FeA - Freetown)     5w
Dc Deerfield loamy fine sand Important   3w
Du Dumps     8
EfA Enfield silt loam, 0 to 3 percent slopes Prime   1
EfB Enfield silt loam, 3 to 8 percent slopes Important Potentially High 2e
FeA Freetown muck     5w

FtA

Fortress sand, 0 to 3 percent slopes      3s
GBC Gloucester-Bridgehampton complex, rolling Important Potentially High 3e
GBD Gloucester-Bridgehampton complex, hilly   High 4e
GhC Gloucester-Hinckley very stony sandy loams, rolling   Potentially High 6s/4s
GhD Gloucester-Hinckley very stony sandy loams, hilly   High 6s
HkA Hinckley gravelly sandy loam, 0 to 3 percent slopes Important   3s
HkC Hinckley gravelly sandy loam, rolling Important Potentially High 4s
HkD Hinckley gravelly sandy loam, hilly   High 6s
HnC Hinckley-Enfield complex, rolling Important Potentially High 4s/3e
HsB Hooksan sand 3 to 8 percent slopes      7s
HsC Hooksan sand 8 to 15 percent slopes     7s
HU Hooksand-Urbanland complex 1 to 8 percent slopes     7s/NA
Ip Ipswich peat     8w
LgC Lippitt gravelly sandy loam, very rocky, 3 to 15 percent slopes   Potentially High 4e
Ma Mansfield mucky silt loam     5w
Mc Mansfield very stony mucky silt loam     7s
Mk Matunuck mucky peat     8w
MmA Merrimac sandy loam, 0 to 3 percent slopes Prime   2s
MmB Merrimac sandy loam, 3 to 8 percent slopes Prime Potentially High 2s
MU Merrimac-urban land complex     3s/NA
NaA Narragansett silt loam, 0 to 3 percent slopes Prime   1
NaB Narragansett silt loam, 3 to 8 percent slopes Prime Potentially High 2e
NbB Narragansett very stony silt loam, 0 to 8 percent slopes   Potentially High 6s
NbC Narragansett very stony silt loam, 8 to 15 percent slopes   Potentially High 6s
NcC Narragansett extremely stony silt loam, 3 to 15 percent slopes   Potentially High 7s
NeA Newport silt loam, 0 to 3 percent slopes Prime   1
NeB Newport silt loam, 3 to 8 percent slopes Prime Potentially High 2e
NeC Newport silt loam, 8 to 15 percent slopes Important High 3e
NfB Newport very stony silt loam, 3 to 8 percent slopes   Potentially High 6s
NoC Newport extremely stony silt loam, 3 to 15 percent slopes   Potentially High 7s
NP Newport-urban land complex     2e/8
Nt Ninigret fine sandy loam Prime   2w
PaA Paxton fine sandy loam, 0 to 3 percent slopes Prime   1
PaB Paxton fine sandy loam, 3 to 8 percent slopes Prime Potentially High 2e
PbB Paxton very stony fine sandy loam, 0 to 8 percent slopes   Potentially High 6s
PbC Paxton very stony fine sandy loam, 8 to 15 percent slopes     6s
PbD Paxton fine sandy loam, 15 to 25 percent slopes, very stony      
PcC Paxton extremely stony fine sandy loam, 3 to 15 percent slopes   Potentially High 7s
PD Paxton-urban land complex     1e/8
Pg Pits, quarries     8
Pk Pits, quarries     8
PmA Pittstown silt loam, 0 to 3 percent slopes Prime   2w
PmB Pittstown silt loam, 3 to 8 percent slopes Prime Potentially High 2e
PnB Pittstown very stony silt loam, 0 to 8 percent slopes   Potentially High 6s
Pp Podunk fine sandy loam     2w
PsA Poquonock loamy fine sand, 0 to 3 percent slopes Prime   2s
PsB Poquonock loamy fine sand, 3 to 8 percent slopes Prime Potentially High 2s
Pw Pawcatuck mucky peat     8w
QoA Quonset gravelly sandy loam, 0 to 3 percent slopes Important   3s
QoC Quonset gravelly sandy loam, rolling Important Potentially High 4s
RaA Rainbow silt loam, 0 to 3 percent slopes Prime   2w
RaB Rainbow silt loam, 3 to 8 percent slopes Prime Potentially High 2e
RbB Rainbow very stony silt loam, 0 to 8 percent slopes   Potentially High 6s
Rc Raypol silt loam Important   4w
Re Ridgebury fine sandy loam Important   3w
Rf Ridgebury, Whitman, and Leicester extremely stony fine sandy loams     7s
Rk Rock outcrop     8
Rp Rock outcrop-canton complex     8/6s
Ru Rumney fine sandy loam Important   4w
Sa Sandyhook mucky peat 0 to 3 percent slopes      8w
Sb Scarboro mucky sandy loam     5w
ScA Scio silt loam, 0 to 3 percent slopes Prime   2w
SdB Scio very stony silt loam, 0 to 8 percent slopes   Potentially High 6s
Se Stissing silt loam Important   3w
Sf Stissing very stony silt loam     7s
ShA Succotash sand 0 to 3 percent slopes     3w
Sn Shannock, fine sandy loam     8w
Ss Sudbury sandy loam Prime   2w
StA Sutton fine sandy loam, 0 to 3 percent slopes Prime   2w
StB Sutton fine sandy loam, 3 to 8 percent slopes Prime Potentially High 2e
SU Succotash-Urban land complex 0 to 3 percent slopes      
SuB Sutton very stony fine sandy loam, 0 to 8 percent slopes   Potentially High 6s
SvB Sutton extremely stony fine sandy loam, 0 to 8 percent slopes   Potentially High 7s
SwA Swansea muck     5w
Tb Tisbury silt loam Prime   2w
Tt Tuckertown, Muck     8w
UAB Udipsamments     7s
UBE Udorthents, very steep     8
UD Udorthents-urban land complex     8
Ur Urban land     8
UrS Urban land, 0 to 3 percent slopes, sandy substratum      NA
W Water      NA
Wa Walpole sandy loam Important   4w
WAa0 Anguilla mucky sand, 0 to 1 meter water depth     8w
WAa1 Anguilla mucky sand, 1 to 2 meter water depth     8w
WAa2 Anguilla mucky sand, 2 to 3 meter water depth     8w
WbA Wapping silt loam, 0 to 3 percent slopes Prime   2w
WbB Wapping silt loam, 3 to 8 percent slopes Prime Potentially High 2e
WBn0 Billington silt loam, 0 to 1 meter water depth     8w
WcB Wapping very stony silt loam, 0 to 8 percent slopes   Potentially High 6s
WdB Wapping extremely stony silt loam, 0 to 8 percent slopes   Potentially High 7s
WFn0 Fort Neck mucky silt loam, 0 to 1 meter water depth     8w
WFn1 Fort Neck mucky silt loam, 1 to 2 meter water depth     8w
WFn2 Fort Neck mucky silt loam, 2 to 3 meter water depth     8w
WgA Windsor loamy sand, 0 to 3 percent slopes Important   3s
WgB Windsor loamy sand, 3 to 8 percent slopes Important   3s
WhA Woodbridge fine sandy loam, 0 to 3 percent slopes Prime   2w
WhB Woodbridge fine sandy loam, 3 to 8 percent slopes Prime Potentially High 2e
Wk Wickford, muck     8w
WMa1 Marshneck loam, 1 to 2 meter water depth     8w
WMd Massapog fine sand, 2 to 5 meter water depth, dredged     8w
WMg0 Massapog fine sand, 0 to 1 meter water depth     8w
WMg1 Massapog fine sand, 1 to 2 meter water depth     8w
WMgT Massapog fine sand, intertidal     8w
WNa0 Nagunt sand, 0 to 1 meter water depth     8w
WNd Nagunt sand, 2 to 5 meter water depth, dredged     8w
WNe0 Napatree sand, 0 to 1 meter water depth, bouldery     8w
WNs1 Nagunt sand, sloping, 1 to 2 meter water depth     8w
WNx0 Napatree sand, 0 to 1 meter water depth, extremely bouldery     8w
WoB Woodbridge very stony fine sandy loam, 0 to 8 percent slopes   Potentially High 6s
WPa0 Pishagqua mucky silt loam, 0 to 1 meter water depth     8w
WPa1 Pishagqua mucky silt loam, 1 to 2 meter water depth     8w
WPa2 Pishagqua mucky silt loam, 2 to 3 meter water depth     8w
WPd Pishagqua mucky silt loam, 2 to 5 meter water depth, dredged     8w
WrB Woodbridge extremely stony fine sandy loam, 0 to 8 percent slopes   Potentially High 7s
WRh0 Rhodesfolly fine sand, 0 to 1 meter water depth
 
    8w
WRh1 Rhodesfolly fine sand, 1 to 2 meter water depth     8w
Ws Water, saline     NA

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