Profile Picture Lisa Lowe

created Feb 14 2013

updated Aug 28 2016

Description

This is statewide digital watershed data. It was created primarily for state and federal agency use. The watersheds define Strahler (Strahler 1952 p. 1120) third order stream drainage by contours on U.S. Geological Survey 7.5 minute quadrangle map sheets. Some watershed drainage areas were defined for streams less than third order and some large area watershed were split to maintain a maximum size of 15,000 acres. The watershed boundaries in this file were developed in a joint state and federal effort to create a consistent watershed file for use by all government agencies with an interest in Maryland's watersheds. The U.S. Natural Resources Conservation Service (NRCS) redefined the third order watersheds creating the HUA14 file. This file contains all of the HUA14 watersheds and some added watersheds to maintain water quality sampling sites. It was also used to create the Maryland Sub-Watershed file.

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Category
Energy and Environment
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Public
Tags
watersheds, water, 12 digit watersheds
Licensing and Attribution
Data Provided By
MD Department of Natural Resources
Source Link
http://dnr.maryland.gov/
License
Public Domain
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Place Keywords
Maryland
Time Period
Update Frequency
As Needed
Time Period of Content
1997
Date Metadata Written
2/14/2013
Jurisdiction
Jurisdiction
State of Maryland
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