. California fish and game. Fisheries -- California; Game and game-birds -- California; Fishes -- California; Animal Population Groups; Pêches; Gibier; Poissons. TWENTY-NINTH BIENNIAL REPORT. 93 REPORT OF THE BUREAU OF RIVER AND HARBOR POLLUTION. By Rolin G. Watkins, In Charge. Appended hereto is a resume of eases handled by this bureau to date. In this connection it should be noted that, despite the fact that much work has been done on pollution problems by various agencies of the Commission in the past, up to the time of the organization of this bureau on February 1, 1926, there had been no
. California fish and game. Fisheries -- California; Game and game-birds -- California; Fishes -- California; Animal Population Groups; Pêches; Gibier; Poissons. TWENTY-NINTH BIENNIAL REPORT. 93 REPORT OF THE BUREAU OF RIVER AND HARBOR POLLUTION. By Rolin G. Watkins, In Charge. Appended hereto is a resume of eases handled by this bureau to date. In this connection it should be noted that, despite the fact that much work has been done on pollution problems by various agencies of the Commission in the past, up to the time of the organization of this bureau on February 1, 1926, there had been no effort to centralize this work with a view to placing the enforcement of all the laws relating to pollution of California waters by "materials deleterious to fish,. Fig. 17. In order to determine whether pollution is sufficient to kill fish, a live car is often used. In a test made on Dominguez Slough, Long Beach, the fish shown in the picture were killed inside of ten minutes. Photograph by W. L. Woodruff. plant or bird life," under one head. The information gathered in the past was in the files of other departments and bureaus, and it was necessary to almost completely pioneer the field of pollution in the establishment of the new bureau. At present it can be said to be "merely scraping the ; New cases are appearing daily, par- ticularly cases of pollution by oil from oil fields. (Note—Long Beach case is an example of this sort. Serious condition exists there.) It is impossible to investigate all the cases reported to this bureau at once, and we are taking them in the order of their seeming import. The work of this bureau was handled by the director, in conjunction with his duties as director of publicity, until April 1. On this date Robt. J. Irvine, a competent chemist and bacteriologist, was added to. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appe
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