The information booklet details the history and development of the Yakima Nation from long before contact with the white man to the present day. It describes how the food-gathering life of the early inhabitants of Washington's Yakima Valley began to change with the arrival of the Lewis and Clark Expedition in 1805. The booklet details the influx of settlers into the area; the Treaty of 1855, in which 14 tribes and bands in the area surrendered over 10 million acres to the federal government; and the resulting War of 1855. It notes the effect of the Bureau of Indian Affairs on the Yakima between 1860 and 1900 and explains how the Allotment Act of 1891 and the purchase of fee patented lands resulted in an 80% non-Indian population within the reservation boundaries. The booklet describes the economic development of the Yakima Nation, beginning with early irrigation projects and currently including forestry, light manufacturing, seafood processing, agriculture, and heavy construction. It notes the 1935 re-establishment of tribal government and includes discussions of current education, health, and community services. The booklet also includes a discussion of Yakima customs. It is illustrated with black and white drawings and photographs. (SB)