Reconnaissance map of Ruby district, Alaska

Author:

Geological Survey (U.S.)

Publisher:

U.S. Geological Survey

Spatial Coverage:

Nowitna National Wildlife Refuge (Alaska), Nowitna River, and Ruby Region (Alaska)

Language:

English

Year:

1921

Date Issued:

2011-05-13T19:31:43Z

Date Modified:

2017-06-30T15:56:21Z

Library Catalog Record:

https://search.library.yale.edu/catalog/9761133

Digital Collections Record:

https://collections.library.yale.edu/catalog/15821766