Weekly Site Reports Apr 1994 -Feb 1997, Report #1-2, 4-5, 7-8, 10-11, 14-17, 22-25, 28-29, 31, 33-35, 42-44, 46-69, 72-75, 78, 94-101, 103-105, 110-122, 145-151

Includes publications, proposals, plans and contract drawings of the radio astronomy telescope, including t-shirts and memorabilia publicizing the observatory. Also, a large artist's rendering of the telescope.

On September 30, 2011, when Cornell's management of the Arecibo Observatory ended, a Cornell flag was lowered and brought to Ithaca to be included in the collection, with a letter from Donald B. Campbell, Professor of Astronomy, November 9, 2011.