Hello, one of my students is trying to find topographic data for parts of eastern Washington prior to the construction of US Bureau of Reclamation reservoirs.  

He found this link:

http://research.archives.gov/description/2210454

Is it possible that these maps exist in digital form somewhere?




Tony Diaz
California Institute of Technology
1200 E. California Blvd.
#100-23
Pasadena, CA 91125