no more very difficult grow maize sooner or later countless extended from before reaching desert area twice a year very dry by all means animal life can support

For the past 100 years, the immense stretch of barren Amer¬ican desert has been growing smaller. Three generations ago, the wasteland 1__ the Mississippi Valley in the east almost to the Pacific Coast. But men learned that the prairies could 2__ and that the grass lands could feed cattle and sheep or yield wheat. As they continued to cultivate the desert, the size of the 3__ decreased. Today, there are still 60 to 70 thousand square miles of desert. In the 600 miles between Salt Lake City and Reno, Ne¬vada, there is nothing but dead lakes, dry rivers, snakes and small 4__ , enormous mineral wealth, and the inhuman beauty of the desert. Parts of the region 5__ cattle, but most of it remains desert country. And though it is an empire in size, it is 6__ than town in population. Here between the Sierra Nevada in the west and the Rock¬ ies in the east, the climate is 7___ and hot. Even fairly large rivers from the mountains dry up so rapidly that they die 8__ the end of the desert. But 9__ it rains, even here. In midsummer and midwinter. In this land of little water, farming was 10___ . It would have been impossible if farmers had not planned and worked together. Fearing no task, they built more than 100 towns and 11__ gardens.

вместо пропусков,где цифры вставить предложенные слова,которые написаны вначале)