"Captain Javan B. Irvine and the 1871 Eastern Yellowstone Surveying Expedition"https://www.sdhspress.com/journal/south-dakota-history-37-2/captain-javan-b-irvine-and-the-1871-eastern-yellowstone-surveying-expeditionhttps://www.sdhspress.com/@@site-logo/sdshp-logo.jpg
"Captain Javan B. Irvine and the 1871 Eastern Yellowstone Surveying Expedition"