Affiliation: | 1. National Council for Air and Stream Improvement, 5756 Ellison Lane, Florence, MT, 59833 USA;2. National Council for Air and Stream Improvement, 43613 NE 309th Avenue, Amboy, WA 98601, USA;3. National Council for Air & Stream Improvement, 2737 E Street, North Bend, OR, 97459 USA;4. National Council for Air and Stream Improvement, 8769 Highway 42, Tenmile, OR 97841, USA |