Mammoths and Mastodons in Indiana Part 1 - mostlymammoths blog

Mammuthus columbi

Mammuthus columbi (Columbian Mammoth) - Prehistoric wildlife

Columbian mammoth - Revolvy

Columbian Mammoths and Channel Islands Mammoth - San Diego Zoo

Columbian Mammoths - Wikipedia

Mammuthus primigenius 

Mammuthus primigenius - Encyclopedia of Life

Woolly Mammoth - Wikipedia

Woolly Mammoth (Mammuthus primigenius) - The Academy of Natural Science

Abouth Mammoths - University of California Berkeley Museum of Paleontology

Mammoth Origins, Species, Heights & Weights, Teeth, and Tusk Information - Mammoth Site

Mammoths - Illinois State Museum