Most of the photos on this site were extracted from reference images (high-resolution tiffs, 20 to 200 megabytes in size) from the Library of Congress research archive. (To query the database click here.) Many were digitized by LOC contractors using a Sinar studio back. They are adjusted by your webmaster for contrast and color in Photoshop before being downsized and turned into the jpegs you see here.
My Grand Uncle, Paul Herman Wedmark, was an itinerant photographer who lived in his truck. This could have been in Hennepin, Minnesota. The postmark is Sep. 12, 1930. He died the following year. View full size.