CHAPTER J, SECTION 3 and used by the Contractor in the performance of Job I, and the estimated cost of the performance for Jobs II and III during the 3-month period ending 30 September 1958. Modification 72, dated 30 September 1958, effective 1 July 1956, revised and increased the scope of work under Job I and stated the estimated cost of performance for Jobs II and III during the 3-month period ending 31 December 1958. me Cie, ade t (Neg. No. W-V-296-4) Figure No. 1-15. Page 38 Aerial of Elmer-— Deep Water Pier in Foreground.