- 1Elmer Grant Woodruff; Carroll Harvey Wegemann
The Lander and Salt Creek oil fields, Wyoming
Washington, D.C.: Gov. Print. Off. 1911; 87 Seiten; Ill., graph. Darst. + 2 Kt. - 2Elmer Grant Woodruff
Petroleum and natural gas in Utah
Washington, D.C.: Gov. Print. Off. 1912; Seite 72 - 101; graph. Darst., Kt.