Page 22a: Two Greyscale Photos [7/9/74] Crew cleaning up on walls of cutoff trench right abutment about station 4+75, downstream side. [7/24/74] View of right abutment facing station 15+00, 100 to 250 feet upstream showing loose rock on face. Page 22b: Two Greyscale Photos [7/25/74] View of tower at 9 a.m. on 7/25/74 showing damage to leg caused by Scraper #641 hitting it at approximately 2:30 a.m. on 7/25/74 graveyard shift. [7/11/74] Right abutment, elevation 5045 to elevation 5090, showing broken rock and traces of grout leaks from grout hole located 15+94 downstream curtain.