Soil Survey of Rhode Island
 

NOTE: All info on RI Soils is now updated at: http://www.ri.nrcs.usda.gov/technical/soils.html

Please visit the NRCS site for Rhode Island Soils Information

Click Here to Download the Archived Soil Survey of Rhode Island and View the Maps (10 MB PDF )
Download a GIS Shape file of the Soil Map Index (with a hyperlink field to the online maps) - zip file
View Official RI Soil Mapping using the Web Soil Survey (or try the DEM Environmental IMS Map)
Historic Pedon Descriptions (1959 to 1977)

Historic Documents and Soil Surveys for RI - 1904 to 1943 - new

Status: Published Soil Survey, SSURGO I Certified Digital Soil Survey.
Published in 1981, majority of field work conducted during the 1970's.
Author: Dean D. Rector
Field Work by Craig Ditzler, Anthony Dore, Bruce Laskey, Daniel Spangler, Dale Sprankle, Everett Stuart, and Mark Townsend.
Includes all Counties and Towns within the State of Rhode Island.

Download the "Soils of Rhode Island Landscapes" by William R. Wright and Edward H. Sautter. University of Rhode Island Agricultural Experiment Station Bulletin 429, Issued January, 1988.

This is a scanned PDF copy of the original bulletin, made available with permission from the URIAES.

Narragansett Silt Loam
Narragansett Silt loam - RI State Soil

To Download "official" RI Soil Survey Data and Reports Visit the Soil Data Mart
 

Download digital soil mapping (for use with GIS) for Rhode Island from RIGIS (instruction coming soon).

Click here to order a soil survey of Rhode Island | Visit the RI NRCS Soils Page | RI Soil Testing Information
 

RI Soil Laboratory Analysis (terrestrial soils) | Subaqueous Soils

Historic Archived Documents for RI

Tidal Marshes of RI and CT

1939 Soil Survey of Kent and Washington Counties, RI

Soil Map for 1939 Survey

1942 Soil Survey of Newport and Bristol Counties, RI

Soil Map for 1942 Survey (includes Block Island)

1943 Soil Survey of Providence County, RI

Soil Map for 1943 Survey

1904 Soil Survey of Rhode Island

Soil Map for 1904 survey - Newport County
Soil Map for 1904 survey - Providence County

Rhode Island Soil Survey - Map Unit Legend
Click on the Map Unit Symbol for the map unit description from the published survey.

Map
Unit

Map Unit Name

Hydric
Soil

Farmland
Rating

Erosion
Rating

Capability
Class

           

Aa

Adrian muck

Yes     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
           

Ba

Beaches

      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

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
           

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

Co

Carlisle muck

Yes     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
           

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
           

Ip

Ipswich peat

Yes     8
           

LgC

Lippitt gravelly sandy loam, very rocky, 3 to 15 percent slopes

    Potentially High 4e
           

Ma

Mansfield mucky silt loam

Yes     5w

Mc

Mansfield very stony mucky silt loam

Yes     7s

Mk

Matunuck mucky peat

Yes     8

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

      ws/8

 

 

       

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

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

  Prime   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
           

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

Yes Important   4w

Re

Ridgebury fine sandy loam

Yes Important   3w

Rf

Ridgebury, Whitman, and Leicester extremely stony fine sandy loams

Yes     7s

Rk

Rock outcrop

      8

Rp

Rock outcrop-canton complex

      8/6s

Ru

Rumney fine sandy loam

Yes Important   4w
           

Sb

Scarboro mucky sandy loam

Yes     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

Yes Important   3w

Sf

Stissing very stony silt loam

Yes     7s

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

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
           

Tb

Tisbury silt loam

  Prime   2w

 

 

       

UAB

Udipsamments

      7s

UBE

Udorthents, very steep

      8

UD

Udorthents-urban land complex

      8

Ur

Urban land

      8
           

W

Water

       

Wa

Walpole sandy loam

Yes Important   4w

WbA

Wapping silt loam, 0 to 3 percent slopes

  Prime   2w

WbB

Wapping silt loam, 3 to 8 percent slopes

  Prime Potentially High 2e

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

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

WoB

Woodbridge very stony fine sandy loam, 0 to 8 percent slopes

    Potentially High 6s

WrB

Woodbridge extremely stony fine sandy loam, 0 to 8 percent slopes

    Potentially High 7s

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