National Hydrography Data
(USGS NHD)

Hydrography (streams, rivers, lakes, ponds, estuaries, marine area) data for Maine.

Directory of \gis\me\nhd
name
description
date acq'd or developed
AllagashStJohn.mdb NHD data; see metadata within ArcCatalog.* 12/22/2005
AndroLower.mdb NHD data; see metadata within ArcCatalog.* 12/22/2005
AndroUpDead.mdb NHD data; see metadata within ArcCatalog.* 12/22/2005
MENHD24.mdb Statewide pre-conflation (no networking) 'NHD' from MEGIS SDE. General metadata.
Layer file \gis\ME-NHD24k.lyr can be used to display in ArcMap.
01/04/2006
Piscataqua.mdb NHD data; see metadata within ArcCatalog.* 12/22/2005
Piscataquis.mdb NHD data; see metadata within ArcCatalog.* 12/22/2005
Presumpscot.mdb NHD data; see metadata within ArcCatalog.* 12/22/2005
Saco.mdb NHD data; see metadata within ArcCatalog.* 12/22/2005
Sheepscot.mdb NHD data; see metadata within ArcCatalog.* 12/22/2005
     
  Projected layers (UTM Zone 19, NAD83)  
androscoggin.mdb NHD data, High resolution (24k); see metadata withing ArcCatalog; (Basin 010400) 2006
saco.mdb NHD data, High resolution (24k); see metadata withing ArcCatalog; (Basin 010600). Includes Casco Bay watershed to Piscataqua River watershed. 2006
st_john.mdb NHD data, High resolution (24k); see metadata withing ArcCatalog; (Basin 010100). Includes St. John/Allagash watersheds. 2006
kennebec n/a  
DEast n/a  
penobscot n/a  

For 100K (medium resolution) NHD data see \gom\cv\nhd
MENHD24, or an earlier version, was used to create the official NHD watershed-based datasets that I downloaded from USGS-NHD. MENHD24 may have additional line/poly edits that were not incorporated into the USGS-NHD datasets but MENHD24 is not a networked dataset; it's completion was stalled as of Jan. 2006.

* Projection: GCS North American 1983

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Last updated 01/04/06