Photograph of Dr. Fred Salathe, Charlie?, John Duncan, L.W. Bailey, and Oscar Heistand who worked for the Pennsylvania Oil and Gas Company Refinery in Casper, Wyoming. The refinery was built by chemist and refiner, F.J. Carman in 1895 (Mokler,…
Copy of a photograph taken by Ralph Russell Doubleday showing what at the time was Main Street in Casper, Wyoming around 1919 or 1920. Main Street is now Center. Casper's second court house can be seen seen at the end of the street.