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METADATA INFORMATION: METADATA LAST CHANGE DATE: 7/2/02 GENERAL INFORMATION: CITATION - TITLE: Michigan 1:250,000 Digital Elevation Models BIBLIOGRAPHIC CITATION: MSU Map Library, 2002 BRIEF DESCRIPTION: USGS DEM's for Michigan in ArcView grid format. INTENDED USE/LIMITATIONS: Any use/ no limitations DESCRIPTION - PURPOSE: Intended for use by students and researchers working in Michigan. Elevation values are not exact, therefore projects requiring little potential error in the z dimension should find more accurate data. LAST FILE EDIT DATE: 3/19/01 ARCHIVE/TRANSFER FILE TAG: Complete - new archived data file CHANGES FROM PREVIOUS: 1:250000 DEM's were converted to unprojected (lat/long) ArcView grid files. EXPECTED UPDATE FREQUENCY: Irregular THEME KEYWORDS: LAND; TOPOGRAPHY GEOGRAPHIC AREA TYPE: State GEOGRAPHIC AREA NAME(S): Michigan TECHNICAL INFORMATION - GENERAL: SPATIAL REFERENCE TYPE: Raster GIS DATA OBJECT TYPE(S): Grid Cell DATA FILE/COVER NAME(S): demdown*.shp DATA FILE(S) FORMAT: ArcView grid files TECHNICAL INFORMATION - SPATIAL: REGISTERED TO BASE: Not Applicable COORDINATE SYSTEM: Latitude/Longitude PLANAR DISTANCE/MAP UNITS: Decimal Degrees HORIZONTAL ACCURACY: Not Applicable TECHNICAL INFORMATION - ATTRIBUTE/NON-SPATIAL: ATTRIBUTE DATA OVERVIEW: USGS 1:250,000 digital elevation models SOURCE and PROCESSING INFORMATION: SOURCE(S) OVERVIEW: USGS 1:250,000 DEM's for Michigan downloaded from: http://edcwww.cr.usgs.gov/doc/edchome/ndcdb/ndcdb.html. PROCESSING STEPS/NOTES: 1:250000 DEM's were converted to unprojected (lat/long) ArcView grid files. AVAILABILITY and STATUS INFORMATION: AVAILABILITY NOTES/FEES: Available to the public at no cost. ARCHIVE/TRANSFER FILE NAME: Varies ARCHIVE/TRANSFER FILE TYPE: WINZIP ARCHIVE/TRANSFER FILE SIZE: Ranges from 3-445 KB CONTACT INFORMATION: CONTACT INFORMATION: CONTACT TYPE: All Inquiries PERSON and TITLE: Kathleen Weessies, Map Librarian ORGANIZATION: Michigan State University Map Library MAILING STREET/P.O. BOX: 308 West Main Library CITY: East Lansing STATE: Michigan ZIP CODE: 48824 PHONE: (517) 432- 6123 x249 E-MAIL ADDRESS: weessie2@msu.edu CONTACT INSTRUCTIONS: Email