1997. Springfield, VA Land Office. US Bureau of Mines, Twin Cities Research Center, within the Fort Snelling Military Reservation; duplicate.
1972. Washington D.C. Land Office. Tracts 37 through 43, original; same as ID 1488; 14 additional paper copies in drawer 27.
1951. Washington D.C. Land Office. Section 18; duplicate(note says there are more copies in lower drawer); 2nd copy in drawer 27.