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NHDPlus American Samoa Data (Vector Processing Unit 22a)

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Map of American Samoa

Download & Installation instructions

NHDPlusV2 data is distributed by the major drainage areas of the United States. Within a Drainage Area, the NHDPlusV2 data components are packaged into compressed files either by Vector Processing Unit (VPU) or Raster Processing Unit (RPU). A Drainage Area is composed of one or more VPUs and a VPU is composed of one or more RPUs.

South Atlantic West
Drainage Area ID PI
VPU 22AS
RPUs 22c

The following links exit the site Exit

NHDPlusV2 Distribution Filename Key

NHDPlusV2nn_<dd>_<VPUid>_componentname_<vv>
or
NHDPlusV2nn_<dd>_<VPUid>_<RPUid>_componentname_<vv>
where:

  • V2nn is Version (2) and subversion (nn) of the NHDPlusV2 data model
  • dd is the drainage area identifier
  • VPUid is the VPU identifier
  • RPUid is the RPU identifier
  • Componentname is the name of the NHDPlusV2 component contained in the file
  • vv is the data content version, 01, 02, ... for the component

Additional information about the NHDPlusV2 content and distribution format
can be found in the "NHDPlusV2 User Guide (PDF)"(182 pp, 4.3 MB, About PDF)

HTTP
Download
FTP
Download
File
Name
html or pdf version
ftp version
NHDPlusV21_PI_22AS_22c_FdrFac_01.7z
html or pdf version
ftp version
NHDPlusV21_PI_22AS_22c_NEDSnapshot_01.7z
html or pdf version
ftp version
NHDPlusV21_PI_22AS_NHDPlusAttributes_01.7z
html or pdf version
ftp version
NHDPlusV21_PI_22AS_NHDPlusBurnComponents_01.7z
html or pdf version
ftp version
NHDPlusV21_PI_22AS_NHDPlusCatchment_01.7z
html or pdf version
ftp version
NHDPlusV21_PI_22AS_NHDSnapshot_01.7z
html or pdf version
ftp version
NHDPlusV21_PI_22AS_WBDSnapshot_01.7z