28 mm lens; Lewis & Clark Visitor Center; Hartford, Illlinois; Don Chamberlain; mid-afternoon
28 mm lens; St. Louis, MO; Don Chamberlain; midday
Hartford, IL: Don Chamberlain
28 mm lens; Cahokia, Illinois; Don Chamberlain; mid-morning
28 mm lens; Fort du Chartres Historic Site, Illinois; Don Chamberlain; midday.
28 mm lens; Fort Kaskaskia State Historic Site; Illinois; Don Chamberlain; early afternoon
28 mm lens; Cahokia, Illinois; Don Chamberlain, mid-morning
28 mm lens; Council Bluffs, Iowa; Don Chamberlain; late afternoon
28 mm lens; Sioux City, IA; Don Chamberlain; midday
28 mm lens; Washburn, ND; Don Chamberlain; midday
L&C Center in Great Falls, MT: Don Chamberlainc.
South of Dillon, Montana; mid-morning
Near Orofino, Idaho; midday
Near Astoria, Oregon, late morning
Seaside, Oregon, midday