Montana State Library 19960324 map Helena, Montana Montana State Library http://nris.mt.gov/nsdi/nris/shape/ab123.zip Township and Range lines of Montana, including townships "protracted" through unsurveyed areas by the BLM or Forest Service. For display of Public Land Survey and for location of features whose legal descriptions are known. 1975 1993 Publication Date Complete Unknown -115.610260 -103.611107 49.0347443 44.2378540 ISO 19115 Topic Category planningCadastre None Township Range PLSS None Montana None Not for use at scales greater than 1:100000. Not for accurate determination of section corner or property line locations. Montana State Library mailing address

P.O. Box 201800

Helena Montana 59620-1800 USA (406) 444-5355 (406) 444-0581 nris@mt.gov Monday-Friday, 8-5, Mountain Time http://nris.mt.gov/nsdi/nris/ab123.gif Simple image of the data set and/or its extent. gif Township and Range numbers were checked and corrected at the State Library until they were accurate. Polygon and arc-node topology exist. Data set is complete Approximate horizontal accuracy is 51 meters, assuming source data meets National Map Accuracy Standards. National Mapping Division U.S. Geological Survey 1975 map Reston, VA U.S. Geological Survey 100000 mylar 1975 1993 Publication Date plss All of the coordinates were collected from these maps. U.S. Bureau of Land Management Montana Office Unpublished material map 222 North 32nd Street, Billings, MT 59109 (406) 255-2953 100000 Arc/Info E00 files on 8mm tape 19960321 Publication Date blmd The data is an edited copy of this source. Digitize the lines from the USGS mylar maps and code the arcs and polygons. This was performed by the BLM office in Billings using ADS software on their PRIME minicomputer. plss 199406 blmd Correct the projection definition of all BLM data and convert any single-precision coverages to double precision. Project coverages from UTM zone 12 coordinates to Albers. blmd 19960321 s2 Parse the LABEL item in the BLM PCODE file into separate Town, Range, and Section items in the PAT. Correct any errors in the PCODE file that make the parsing AML crash. s2 19960321 s3 Add polygon attributes to BLM coverages that had no polygon attributes or no PCODE files. blmd 19960321 s4 View township, range, and section attributes of every coverage and correct errors. The AML for all the processing steps at the State Library is /usr4/blm/imp_plss.aml. A list of all changes made at the Library is /usr4/blm/README. s3 s4 19960321 s5 Edit the data to remove more errors and edgematch adjacent quadrangles. Performed by Cedron Jones and Duane Lund at the State Library. s5 19970225 s6 Re-code the arc attributes to distinguish between section lines, township lines, the Base Line and Principal Meridian, and the state outline. Drop the arc attribute from BLM, which were mostly missing. s6 19970521 s7 Join the tiles into one coverage and dissolve the polygons to remove the internal section lines of each township. s7 19970521 s8 Fix the town_range designation of half-townships. s8 20030327 fin Vector Complete Chain 10056 GT-polygon composed of chains 4210 Area Point 4208 State Plane Coordinate System 1983 2500 45 49 -109.5 44.25 600000.00000 0.00000 coordinate pair .1 .1 meters North American Datum of 1983 Geodetic Reference System 80 6378137 298.257 TOWNSHIP.PAT Polygon Attribute Table TOWN Township Number 0 37 N/S Township North or South Designation N Township North of the Base Line S Township South of the Base Line RANGE Range Number 0 63 E/W Range East or West Designation W Range West of the Principal Meridian E Range East of the Principal Meridian TOWN_RANGE Combined township, n/s, range, and e/w values Montana State Library mailing address

PO BOX 201800

HELENA MT 59620-1800 USA 1-406-444-5354 1-406-444-4799 1-406-444-0266 geoinfo@mt.gov DISCLAIMER: The Montana State Library provides this product/service for informational purposes only. The Library did not produce it for, nor is it suitable for legal, engineering, or surveying purposes. Consumers of this information should review or consult the primary data and information sources to ascertain the viability of the information for their purposes. The Library provides these data in good faith but does not represent or warrant its accuracy, adequacy, or completeness. In no event shall the Library be liable for any incorrect results or analysis; any direct, indirect, special, or consequential damages to any party; or any lost profits arising out of or in connection with the use or the inability to use the data or the services provided. The Library makes these data and services available as a convenience to the public, and for no other purpose. The Library reserves the right to change or revise published data and/or services at any time. Downloadable Data Arc/Info Export http://nris.mt.gov/nsdi/nris/e00/ab123.zip ESRI Shapefile http://nris.mt.gov/nsdi/nris/shape/ab123.zip 20130417 20040929 20030327 19980116 19971218 Montana State Library Gerry Daumiller mailing address

P.O. Box 201800

Helena Montana 59620-1800 USA (406) 444-5355 (406) 444-0581 gdaumiller@mt.gov Monday-Friday, 8-5, Mountain Time FGDC Content Standards for Digital Geospatial Metadata FGDC-STD-001-1998 {3A94C7F0-2F2E-4833-8C71-F4959357AF41}