30 



U. S. BUREAU or FISHERIES. 



Dredging and Hydrographic Records Secured in San 



station 

 num- 

 ber. 



D.5751 

 H.5055 



D.5752 

 H.5056 



D.5753 

 H.5057 



D.5754 

 H.5058 



D.5755 

 H.5059 



D.5756 

 H.5060 



D.5757 

 H.5061 



D. 57.58 

 H. 5062 

 D.5759 

 H.5063 



D.5760 

 H.6064 



D.576I 

 H.5065 



D.5762 

 H.5066 



D.5763 

 H.5067 



Position. 



Middle section of bay — Con. 



San Quentin Pt. to Lft. 



Tang. Red Rk.,60M2'. 

 Lft. Tang. Red Rk. toBroth- 



ers Lt., 47° 23'. 



Upper section of bay. 



Lft. Tang. Marin Id. to Lft. 



Tang. Red Rk., 49° 00'. 

 Lft. Tang. Red Rk. to Lft. 



Tang.San Pablo Pt.,37° 02'. 



Middle section of bay. 



Rt. Tang. Sister to Lft. Tang. 



San Quentin Pt., 73° 30'. 

 Lft. Tang. San Quentin Pt. 



to California Pt. 33° 48'. 

 Southampton Lt. to Alcatraz 



Lt., 92° 56'. 

 Alcatraz Lt. to Rt. Tang. 



Goat Id., 60° 23'. 

 Southampton Lt. to Alcatraz 



Lt., 78° 36'. 

 Alcatraz Lt. to Ferry Bldg., 



62° 09'. 

 Brothers Lt. to Lft. Tang. 



San Quentin Pt., 64° 38'. 

 Lft. Tang. San Quentin Pt. 



to Blufl Pt., 78° 44'. 



Upper section of bay. 



Rt. Sister Id. to Lft. Tang. 



Marin Id., 66° 56'. 

 Lft. Tang. Marin Id. to 



Brothers Lt., 38° 03'. 

 Brothers Lt., 236°, 0.33 mile. . 



End of brickworks pier, indi- 

 cated on chart. 



Pt. Edith Beacon, 84°, 1.65 

 miles. 



Pt. Edith Beacon, 230°, 0.4 

 mile. 



Middle section of bay. 



Began 25 yds. off Pt. Stuart 

 and along shore at dis- 

 tances of from 20-50 yds.; 

 along south side of Angel 

 Id. 



See chart. Stood up Rac- 

 coon St. at distances of 

 from 25-50 yds. from shore. 



Chart. 



C.S. 



5532 



5532 



5532 

 5532 

 5532 

 5532 



5532 



5532 

 5533 



5534 

 5534 



5532 

 5532 



Date. 



1912. 

 Mar. 20 



Mar. 20 



Mar. 20 

 Mar. 25 

 ...do 



Mar. 26 



Mar. 26 



...do 



Apr. 1 



Apr. 2 

 ...do.-.. 



Apr. 3 

 ...do 



Time of 

 day. 



11.18 a.m. 



1.03 p.m. 



1.54 p.m. 



10.16 a. m. 



10.13 a.m. 



11.08 a. m. 



1.07 p.m. 

 12.45 p. m. 



9.06 a.m. 

 9.55 a. m. 



Depth. 



ft. 4i 

 fms. 5 



ft. 5 

 fms. 5i 



ft. 6 

 fms. 5 



fms. 4^ 

 ft. 3i 



fms. 3i 

 ft. 5 



fms. 4i 

 fms. 2 



fms. 4 

 ft. 4i 



fms. 3 

 fins. 5 



fms. 3^ 

 fms. 3i 



fms. 2 

 fms. 5i 



Character of 

 bottom. 



bn.-gy. M 



bn.-gy. M 



bn.M 



m. S., Sh 



gy- M 



m. S 



gy. M 



dk. gy. stk. M 

 S.,Mi 



m. S 



R 



E.G 



