Mammoth | Mammoth Mountain | Red-breasted Pygmy Parrot | Mammoth Lakes, California | Mammoth Cave National Park | Colorado Mammoth | Woolly Mammoth Theatre Company | Mammoth Mountain Ski Area | Mammoth Hot Springs | Mammoth, Arizona | Woolly mammoth | woolly mammoth | Pygmy possum | Pygmy peoples | Pontier's Mammoth | Operation Bulldog Mammoth | Mammoth Yosemite Airport | Mammoth Records | Mammoth Lakes | Columbian mammoth |
On July 21, 1932 Hoffmann joined a group of scientists on an expedition to California's Channel Islands to explore San Miguel Island for fossil remains of the prehistoric Pygmy Mammoth.