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SUBSTANTIATING MATERIALS actuaJ.. records of .ie.l'1IIing operations in the project area and in the irri- gated area adjacent to and comparable with the project. Without-Project Development Some of the lands in the extension area are dry farmed. At present crops are largely linli ted to snW.J. grains with the land remeining idJ.e as summer fallow about every second or third year. In recent years since wheat allotments and acreage controls have been in effect, some beans have been grown as a substitute for wheat or summer fallow. Beans are not ideally adapted to the area and generally yield only about enough to return the cost of production. There are no full-time dry-farm operators in the extension area. Farmers who live in the area have other farm land in the adjacent irri- gated e.rea or work part-time e.t other occupations. Some of the land that was once farmed has been abandoned and has partly reverted to its native condition. Because the rainfall is suf- ficient for dry farming on class ~ or better land, all such lands were assumed to be dry farmed in appraising the without-project conditions. A dry-farm unit containing 640 acres of cultivated land was used in setting up a farm budget representative of without-project conditions. This is larger than the average dry-farm unit in the area at present because. as before stated. present dry farms are not relied upon for complete farm family support. With-Pro~ect Development If the Pine River project extension were developed. the farm econ- omy of the extension are would probably be about the same as that which now pertains to adjacent fully ir;rigated lands. Most of the land is expected to produce alfalfa. pasture. or small grain which would be used for feed on the farm or sold locally. Livestock meintained on the farms would be cattle (either beef or dairy) or sheep. A sheep-crop farm was selected for budgetary analysis as representative of with- project conditions. The budget was prepared for a farm unit of 220 acres of class 3 land since 88 percent of the 3.100 acres of potential project land is class :3 and the relllain1ng 12 percent is class 2. Some of the factors bearing on the size of farm selected and anticipated operating costs and yields are mentioned in the following paragraph. Fall plowing is necessary in the preparation of a seed bed because large clods can only be pulverized satiSfactorily by frost action through the winter. When dry the land has a tendency to form wide. deep cracks which sometimes cause severe soil erosion under irrigation. The class 2 and 3 lands lie in smell scattered patches which would increase travel 15