“Set of 164 black and white negatives of the same Harrison Ryker Aerial 1938 Survey that we scanned for the San Francisco Library (our 5820.000). Negatives have been scanned to positive and the digital files provided by the Western Neighborhoods Project. The database, image processing, and large composite image by David Rumsey.” davidrumsey.com
“The maps were created by Harrison Ryker, an Oakldale-born World War I veteran who studied at U.C. Berkeley. Ryker was an avid photographer and partnered with a number of Oakland Airport-based pilots to take aerial photographs all over the the American West. “In the...Sunset District, the most interesting part is what’s not there,” notes The Richmond District of San Francisco blog. “Blocks and blocks of sand dunes still existed in the heart of the outer Sunset in 1938.”” Aaron Sankin, Huffpost
