Western Snow Conference group photo, copy 1, verso Image Read more about Western Snow Conference group photo, copy 1, verso
Western Snow Conference group photo, copy 1 Image Read more about Western Snow Conference group photo, copy 1
Notebooks: Northern California and Northern Nevada Image Read more about Notebooks: Northern California and Northern Nevada
Cooperative Snow Surveys. Correspondence about shelter cabins for wilderness survival Image Read more about Cooperative Snow Surveys. Correspondence about shelter cabins for wilderness survival
Cooperative Snow Surveys. Maps of 9 snow courses; letter about their numbering and signage Image Read more about Cooperative Snow Surveys. Maps of 9 snow courses; letter about their numbering and signage
Western Snow Conference, 27th Annual Meeting, April 1959 Image Read more about Western Snow Conference, 27th Annual Meeting, April 1959
