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.
Vintage photos of:
This photo mounted on heavy card stock was found in a box of old family photos; it might be a souvenir. Probably taken in warm weather as the ladies have short sleeves and spring-like hats. Note this is Bus #4. I'm posting it to complement other similar photos of the Green Car Sight-Seeing Services photos already on Shorpy. View full size.