HEADWATERS ECONOMICS GEOGRAPHIC DATA LIBRARY DOCUMENTATION

TITLE: 
Geodataset Name: 		US_FedLands			
Geodataset Type: 		Shapefile
Geodataset Feature: 		Poly

GENERAL DESCRIPTION: 
This map layer consists of federally owned or administered lands of the United States.  

DATA SOURCE(S):  		USGS

Scale of Original Source Maps:	1:2,000,000 
Date of Original Source Maps:	2005

GEODATASET EXTENT:  	United States
 
FEATURE ATTRIBUTE TABLES CODES AND VALUES: 

ITEM		ITEM DESCRIPTION
Feature1:	The primary or only type of Federal land and the owning agency.  		
		Where an area represents multiple Federal land types, this attribute 	
		describes the smaller or 'contained' land.

Agbur:		A code for the owning or administering agency.

Type:		Bureau of Land Management
		Fish and Wildlife Service
		Forest Service
		National Park Service
		Other Federal Lands
		Tribal Lands

DATA LINEAGE SUMMARY: 
The data downloaded from http://nationalatlas.gov/atlasftp.html.  Only areas of 640 acres or more are included.  There may be private inholdings within the boundaries of Federal lands in this map layer.  

MAP PROJECTION PARAMETERS 
PROJECTION 			ALBERS CONICAL EQUAL AREA
DATUM 				NAD83
UNITS 				METERS
SPHEROID 			GRS1980
PARAMETERS
1st standard parallel		29 30  0.000
2nd standard parallel		45 30  0.000
central meridian		-96 00  0.000
latitude of projection's origin	37 30  0.000
false easting (meters)		0.00000
false northing (meters)		0.00000

DATA SOURCES CONTACT(S): 
Name: 			Earth Science Information Center, U.S. Geological Survey   	
Address: 	  	507 National Center
			Reston, VA 20192						
Phone: 			1-888-ASK-USGS (1-888-275-8747) 	 
Fax: 			703-648-5920  	 		
Web site: 	  	http://www.consbio.org/cbi/projects/PAD/index.htm  

Name: 			National Atlas of the United States   	
Address: 	  	12201 Sunrise Valley Drive, MS 561
			Reston, VA 20192						
Phone: 			703-648-4183 	 
Email: 			atlasmail@usgs.gov  	 		
Web site: 	  	http://nationalatlas.gov/atlasftp.html
          
HEADWATERS ECONOMICS CONTACT: 
Name:			Headwaters Economics Geographic Data Library
Abbr. Name:		HEGDL
Address:		Headwaters Economics
                        566 Highland St.
                        Helena, Montana 59601
Web site:		http://www.headwaterseconomics.org
Contact Person:   	Patty Gude	
Phone:   		(406)599-7425	
Email:   		patty@headwaterseconomics.org