U
Union Fur Company, 202
United States: annexation as result of Treaty of Guadalupe Hidalgo, 16 -17;
attempts to secure New Mexico Territory, 223 -225;
formation of Indian agency, 224 ;
government reaction to Sand Creek massacre, 241 -242;
industrialization, 189 -190;
treaty talks with Plains Indians, 227 -228
United States rectangular survey, 57 -58