Richard M. Wicker
creator of digital collection
L-R: Alice Steindler DMNS volunteer; Hannah O'Neill DMNS volunteer; Lesley Petrie DMNS volunteer continue to remove dirt from around the stegomastodon in the Weiss Gravel Pit near Holyoke, Colorado. The stegomastodon is an extinct proboscidean which lived 1.2 to 6 million years ago. It stood 2.8 metres (9 ft) tall and looked like a robust version of the modern elephant. It weighed about 13,000 lb.
date of photograph
USA, Colorado, Phillips County, Weiss Gravel Pit
use with permission Denver Museum of Nature & Science