Elmer S. Riggs Riggs' assistant, H. William Menke, found the first known skeleton of the giant sauropod dinosaur "Brachiosaurus altithorax" from near Grand Junction, Colorado. At the end of the 1900 field season Riggs' found a specimen of "Apatosaurus" near Fruita, a few miles from the Brachiosaurus site. This specimen was excavated during the 1901 field season, and was put on display in 1908 at the Field Museum. From these specimens he named "Brachiosaurus" and Brachiosauridae, and presented evidence that "Apatosaurus" and "Brontosaurus" were the same genus of dinosaur. He also proposed that sauropods were terrestrial animals, based on their limb structure, but
Tomb of the Known Soldier military burial in France. Charles’ mother received the telegram from the War Department that her son was killed in the war. After waiting four long years, she finally claimed her son’s body when it arrived on a troopship called the "Cambria" on March 29, 1922. The U.S. Government had the idea of creating the Tomb of the Unknown Soldier and of a "Known Soldier" in Arlington National Cemetery to honor World War I soldiers. Graves was chosen for "America's Known Soldier" by a blindfolded sailor who picked Graves' name from an American soldier remains list, but his mother objected to