Pencil drawing of John Sparks by Arthur V. Buel Image Read more about Pencil drawing of John Sparks by Arthur V. Buel
Miscellaneous small drawings and paintings artist/artists unknown (possibly Maud Mackenzie) Image Read more about Miscellaneous small drawings and paintings artist/artists unknown (possibly Maud Mackenzie)
Miscellaneous keepsakes of Nancy Elnora Sparks Image Read more about Miscellaneous keepsakes of Nancy Elnora Sparks
Cooperative Snow Surveys. Notes and blueprints, Mt. Rose snow sampler and other equipment Image Read more about Cooperative Snow Surveys. Notes and blueprints, Mt. Rose snow sampler and other equipment
Cooperative Snow Surveys. Snow samplers and sampling notes, data, and correspondence Image Read more about Cooperative Snow Surveys. Snow samplers and sampling notes, data, and correspondence
Cooperative Snow Surveys. Snow sampler patent papers Image Read more about Cooperative Snow Surveys. Snow sampler patent papers
Cooperative Snow Surveys. Snow surveying apparatus notes and drawings Image Read more about Cooperative Snow Surveys. Snow surveying apparatus notes and drawings
Cooperative Snow Surveys. Notes, drawings, and specifications of instruments, Mt. Rose Observatory Image Read more about Cooperative Snow Surveys. Notes, drawings, and specifications of instruments, Mt. Rose Observatory
Wheeler Survey field notebook no. 10: reconnaissance; surveys for military defenses Image Read more about Wheeler Survey field notebook no. 10: reconnaissance; surveys for military defenses
