‘A Heavy Load 1873’. 18/08/2019 By Derwombat 1873: HEAVY LOAD Mules and men hauled the hundreds of pounds of gear that pioneering photographer William Henry Jackson used to document the West. His large-format cameras made negatives on glass plates nearly two feet across. Source: Conservation Photography Through the Years – National Wildlife Federation Share this:PocketEmailPrintMoreTweetLike this:Like Loading... Related About Derwombat My name is Rod Parham, Hot Metal Compositor. I was born in Adelaide, South Australia in 1947. Single with two children and a grandson. I Love History, Movies and Words.