Large-scale plot of Phantom Ranch area — June 17, 1971
Bridging of area covered by sheets 1-9 — November-December, 1971
Sheets 1-9 plotted between March 4, 1972 and July 30, 1972
Sheets 10-13 plotted between May 15, 1973 and September 19, 1973
Large-scale sheet of Headquarters area contoured April – November 1973 (Photos July 2, 1972)
Sheets 14-17 plotted between October 1, 1973 and November 15, 1973
Delivery of final cronaflex copies of scribed sheets:
- August 3, 1972
- July 26, 1972
- July 26, 1972
- April 17, 1972
- March 1972
- December 28, 1973
- August 19, 1972
- June 22, 1972
- June 29, 1972
- October 3, 1973
- October 3, 1973
- September 28, 1973
- September 28, 1973
- November 28, 1973
- November 28, 1973
- November 28, 1973
- January 8, 1974