Hubbard, Bill, Jr. (2009) "Navajo Meridian, 1869" American Boundaries: The nation, the states, the rectangular survey University of Chicago Press, Chicago, p. 338, ISBN978-0-226-35591-7
"List of Meridians" from Manual of Instructions for the Survey of the Public Lands of the United States; 1973, prepared by the Bureau of Land Management, Technical Bulletin 6; pub. U.S. Dept of Interior, from Principal Meridian Project