tizcd by RWRCC stiff and mcorporated into the GIS. The 

 SCS currently is in the process of updating many of its less 

 accurate soil maps into corrected soil sheets. The Northern 

 Che\'enne Reservation will be incorporated into a published 

 soil report in the future, but is not available at this time. 



Political boundaries digitized into the RWRCC-GIS 

 included the Northern Cheyenne Reservation boundary 

 and the Rosebud and Bighorn County boundaries within 

 the reservation. The Northern Cheyenne Reservation 

 boundary was entered into the GIS as depicted on 1 :24,000 

 topographic maps. 



HKiM, Incorporated, an engineering firm in Billings, 

 Montana, was hired for the Northern Cheyenne Tribe to 

 perform various contracted services. One of those services 

 was to identify 100 and 300 foot lift lines from both the 

 Tongue River and Rosebud Creek. "Lift" denotes a specific 

 elevation from a water source and is used primarily in ag- 

 ricultural engineering. This information, along with infor- 

 mation pertaining to irrigated lands, dry arable lands and 

 "prime and important" lands, was provided to the RWRCC 

 and used as part of the RWRCC's soil, agricultural and 

 hydrologic analyses. 



Land resource information was obtained from the BLA 

 Denver and Billings offices. These data were digitized by the 

 BLA from 1:24,000 scale quadrangle maps and were com- 

 pletely compatible with our database. The data were not 



entered into the GIS, but stored on 9-tnck upe. Tape 

 storage simplified the database by keeping non-essential 

 data out ofthe GIS. This provided easier and quicker access 

 to essential data. Data stored on upe and available if needed 

 pertains to: 



1) Farmland 



2) L-and Ownership 



3) Roads 



4) Range Water 



5) Springs 



6) Digital Elevation Models 



7) Lakes and Reservoirs 



8) Public Land Survey 



9) Range Unit Boundaries 



10) Soils 



1 1 ) Streams 



2. Maps Generated on the GIS 



The RWRCC staff has prepared various types of maps 

 identifying specific data relationships within the Northern 

 Cheyenne reservation. The most important maps are sum- 

 marized in Appendix A. 



3- Other maps used in analysis 



Maps compiled by the RWRCC in the early 1980s were 

 used to a small degree in the current analyses. They also are 

 listed in Appendix A. 



4. Non-RWRCC maps 



Maps available from other sources and used by 

 RWRCC staff arc also listed and described in Appendix A. 



