METADATA
Geomatics Laboratory
Energy & Geoscience Institute
Department of Civil and Environmental Engineering
University of  Utah
423 Wakara Way, Suite 300
Salt Lake City, Utah 84108

IDENTIFICATION INFORMATION
Data Set Identity: Dixie Valley, Nevada
		   Topographic map of magnetic basement (compiled from depth
		   estimates) depth to magnetic basement.  Contour interval = 
		   300 meters, datum = 1,100meters

Type of GIS data: ArcView Shape files (2)
Shape File Names: magbase, rngfrnt
		
Theme Key Words:  Magnetic basement depth, Dixie Valley, Nevada
Geographic Area:  Dixie Valley, Nevada, USA
Spatial Object Types: Line
Intended Scale(s) of Use: ~1:250,000 or smaller 
Data Resolution:   N/A
EGI Reference: Greg Nash
Coordinate and Thematic Precision: Thematic=good in relation to the analog source map, 
				   coordinate=good in relation to analog base map, however,
				   no projection parameters were available.

FINAL PROJECTION INFORMATION
Projection Name:   UTM
Datum:  NAD 1927
Geoid:  Clarke 1866
Projection Units:  Meters
Other Projection Parameters:  UTM Zone 11
Map Extent:  Lower Left:  394,699.67mE; 4,387,216.64mN
	           Upper Right:  457,280.31mE; 4,442,504.69mN

SOURCE INFORMATION
Source Medium:   Analog (Paper)
Source Scale:  ~1:250,000 (1cm:2.5 km)
Source Projection:   Geographic coordinates = latitude/longitude
Source Geoid:   Unknown - assumed to be Clarke 1866
Source Datum:  1,100 meters
Source Units:  Km
Source Other Projection Parameters:  None
Source Reference:  Koenig, J. B., R. W. Greensfelder, and C. W. Klein, 1976, Geothermal Potential of the Quest Leasehold, 
	    Dixie Valley, Nevada; Aeromagnetic Map, Dixie Valley, Nevada, GeothermEx, Inc., Plate 7.

	From: Smith, Thomas, 1967, Aeromagnetic measurements in Dixie Valley, Nevada: in Geophysical study of Basin-Range structure, 
	Dixie Valley region, Nevada, Air force Cambridge Research Lab., Report No. 66-848, Part III.

TABLE ATTRIBUTES
Attribute Identification: Coverage name = topo; Field name = depth_id, it show the 
			  relative depth to magnetic basement.
Attribute Definition:  Depth_m = numeric, with 10 characters.
Attribute Source:  Above referenced map.
Attribute Reference:  Above referenced map.

ACCESS INFORMATION
Tiling Scheme:  N/A
Native Format:  ArcInfo, Arcview
Transfer Mode: 
Native Size:  34.2 KB
Archives Size: 11.2 KB

DATA ORIGINATOR
Contact Person:  GIS Analyst, Chris Kessler (801)585-9771
Alternate Contact: Geomatics Unit Leader- Greg Nash (801)585-3889
Contact Organization:  EGI
Contact E-mail:   ckesler@egi.utah.edu
Alternate E-mail:  gnash@egi.utah.edu

STATUS INFORMATION
Completion Status:  Completed
Completion Date:  April 24, 1997
Geographic Area Completed:  Dixie Valley, Nevada
Update Frequency:  Not updated since completion
Release Information:  Not proprietary

ACCURACY INFORMATION
RMS Error:  0.012
Accuracy Checked: Thematic - no errors found, Spatial - good in relation to analog base map. 
		  As no projection parameter were available spatial accuracy is dubious.
Accuracy Information Source:  analog map
Spatial Accuracy: Good in relation to analog base map. As no projection parameter were 
		  available spatial accuracy is dubious. 
Thematic Accuracy:  Good - no errors found

DATA ARCHIVE INFORMATION
Digital Archive Location: www5.egi.utah.edu
Archive Data Type: pkzip file
Analog Archive: EGI