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SAN FRANCISCO BAY MARINE PILING SURVEY 

 PROGRESS REPORT, SECOND YEAR 



INTRODUCTION 



The work of the San Francisco Bay Marine Piling Committee 

 herein reported covers approximately the calendar year 1921. The 

 work of the year 1920, which was reported to the American Wood- 

 Preservers' Association at its Seventeenth Annual Meeting in San 

 Francisco on January 26, 1921, clearly demonstrated how large was 

 the field upon which the investigation had entered, and how urgently 

 desirable was the continuation of the work, in order that its largest 

 possible results might be realized. This led to a continuation of 

 the work by the Association. The Committee f6r the present year, 

 on assuming its duties in accordance with the Association's authori- 

 zation, carefully considered the problem before it and concluded that 

 adequate results could not be secured by an investigation continuing 

 for less than three years farther. It was also decided that in addition 

 to such engineering assistance as should prove necessary, the funda- 

 mental nature of the biological and chemical problems warranted the' 

 employment of both a biologist and a chemist for full time on the 

 Committee work. On this basis the Committee solicited financial 

 support in the amount of $30,000, or at the rate of $10,000 per year 

 for the three.year period, of which the quota for the year and the 

 major portion of the remainder has been secured- ''"At the end of .three 

 years it is anticipated that it will be desirable to reappraise the field 

 and determine what further work if any is necessary. 



Division of Work in 1921 



Upon the organization of the new Committee it was divided into 

 sub-committees for the better conduct of the several phases of the 

 work, as follows: 



Executive 



Finance 



Service Records 



Wharf Construction 



Protections 



Chemical 



