CONTENTS 



Page 



Summary ]_ 



Land Resource Area Map (Opposite Page 4) 



Introduction , 4 



L a n d Capability Definition 8 



Inventory Acreage 9 



Land Groups Included in the Inventory 9 



Table 1. Land Area of Montana and Use of Inventory Acreage, 



1958, and Expected, 1975 11 



Table 2, Use of Inventory Acreage 1958 and Expected 1975 . . 12 



Estimating the Present Use of Land 13 



Estimating Expected Changes in Land Use by 1975 13 



Table 3. Use of Inventory Acreage by Class and Sub-Class , . 15 



Needs for Conservation Treatment 16 



Table 4. Estimate of Needs for Conservation Treatment on 



Expected Irrigated Cropland Acreage, 1975 17 



Table 4A. Estimate of Needs for Conservation Treatment of 



Dry Cropland Acreage, 1975 18 



Table 5. Estimate of Needs for Conservation Treatment on 

 Expected Acreage of Tajne Pasture, Native Range, 



Grazed Woodland and Irrigated Native, 1975 .... 20 



Table 6, Estimate of Needs for Conservation Treatment on 



Expected Acreage of Forest and Woodland, 1975 ... 21 



Table 7. Estimate of Needs of Conservation Treatment on 



Expected Acreage of Other Land, 1975 23 



Inventory by Counties , ....... . 24 



Watershed Project Needs 25 



Table 10. Watershed Project Needs (Montana 1959) 26 



Appendix 1. Department Policy 28 



Appendix 2. Procedure for Developing Basic Data 30 



Appendix 3. Land Capability Classification ..... 32 



