Lake Roosevelt Fish Species. Native and hatchery rainbow trout, native and hatchery kokanee salmon, walleye, smallmouth bass, largemouth bass, yellow perch, lake whitefish, mountain whitefish, brown trout, brook trout, burbot, sturgeon, cutthroat trout, bull trout, black crappie, pumpkinseed, brown bullhead, yellow bullhead, channel catfish.
The war between the United States and Mexico had two basic causes. First, the desire of the U.S. to expand across the North American continent to the Pacific Ocean caused conflict with all of its neighbors; from the British in Canada and Oregon to the Mexicans in the southwest and, of course, with the Native Americans.
In response to a Mexican massacre of an American army detachment in disputed territory, the U.S. Congress declared war on May 13, 1846; Mexico followed suit on 23 May. The MexicanâAmerican War took place in two theatres: the western (aimed at California) and Central Mexico (aimed at capturing Mexico City) campaigns.