¥ 



10 



B. Precise oocorrenoes. 



1. PDpulaticns currently or recently known extant: Table 1, 

 pp. 11-27, lists currently kncwn peculations by state eind 

 county. Exact locations for the Montana and Idaho 

 populaticwTs are provided in the maps on pp. 138-148. 



2. Populations known or cisasumed extirpated: 



a. Sauvie Island. 



1. U.S.A., Oregon, Moltnonah County. 



2. Latitude, loigitude, altitude: 454105N, 1224855W; 

 75'. 



3. Legal description: T2N, RIW, Section 4. 



4. USGS quad: Sauvie Island, 7.5'. 



5. Year of initial discovery: 1879. 



6. Year of most recent observation: 1886. 



7. Location: Sauvie Island, Willamette Slou^ (type 

 locality) . 



8. Alternative site name: Sauvies Island. 



b. lake Oswego. 



1. U.S.A., Oregon, Clackamas County. 



2. Latitude, longitude, altitude: 452447N, 1224130W; 

 125'. 



3. Legzd description: T2S, RIE, Secticai 9. 



4. USGS quad: lake Oswego, 7.5'. 



5. Year of initial discovery: 1892. 



6. Year of most recent observation: 1892. 



7. Location: lake Oswego, west of Portland about 4 

 miles ( HcMell s.n. , WS) . 



8. Alternative site name: none known. 



c. I^inter's Woods. 



1. U.S.A., Oregon, Marion County. 



2. latitude, longitude, altitude: 445647N, 1230055W; 

 125'. 



3. Legal description: T7S, R3W, Section 23. 



4. USGS quad: Salem West, 7.5'. 



5. Yecur of initial discovery: 1926. 



6. Year of most recent observation: 1935. 



7. Location: Area necur Painter's Woods, near Salem 

 flTiompson (4927. 4967) . ORE; J.C. Nelson (5075) . 

 GH; M.E. Peck (15935) . WILUJ) . 



8. Alternative site name: none known. 



