alfalfa and sweet clover belt. Good locations for beekeeping in Oklahoma are found on the bottom-lands of the larger streams, as the Canadian and Washita rivers.
In Montana the irrigated lands along the Yellowstone River and its southern tributaries offer the best locations for beekeeping. The surplus comes largely from sweet clover, as alfalfa is often cut so early that it furnishes only a little nectar. Ravalli County, in the heart of the Rocky Mountains, where there is a large area under irrigation, is a reliable and profitable location for beekeeping. There are more bees, and more honey is produced, in the Big Horn Basin of Wyoming than
Fig. 128. — Areas under irrigation in the western states