under terms of article 17 of the treaty of 1866, the land was to be sold "at not less than $1.25 an acre [$309/km2]" for the first year. then, it would be offered for sale at local land offices. in the first year, 156,848.47 acres (635 km2) were sold. 277,830.89 acres (1,124 km2) were given to land offices during the summer of 1879.