New Zealand native Ed Mumm instructs one of his colleagues in the use of a Caterpillar excavator on land west of Steamboat Springs last October (2007). Mumm's new business, Dig This, opened in November and allows patrons to drive and operate large constru
Steamboat Pilot & Today, New Zealand native Ed Mumm instructs one of his colleagues in the use of a Caterpillar excavator on land west of Steamboat Springs last October (2007). Mumm's new business, Dig This, opened in November and allows patrons to drive and operate large constru, [436818572] . Denver Public Library Digital Collections, accessed 16/03/2026, https://digital.denverlibrary.org/nodes/view/910709