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belong strictly to his special professional responsibility. His report, with 

 those of his assistants, is herewith appended. 



"We have every reason to be satisfied with the manner in which we have 

 hitherto been aided in the study of our task, and with which our instructions 

 have been carried out ; and if thought desirable, are prepared to enlarge the 

 scale of operations upon the ground in the Spring, with entire confidence, 

 based upon the experience we have now had, in the ability and zeal with 

 which Ave shall be sustained, not only by the gentlemen whom we have 

 named, but by all who are engaged in the service of your Board. 



Respectfully, 



OLMSTED, VAUX & CO., 

 Landscape Architects and Superintendents. 



Office of Design and Superintendence, 

 January 1st, 1867. 



REPORT OF ENGINEER IN CHARGE. 



Engineer's Office, Prospect Park, ) 

 January 1st, 1867. ) 

 Messrs. Olmsted, Vaux & Co., 



Landscape Architects and Superintendents: 

 Gentlemen — 



The accompanying reports of Mr. Bogart and Mr. Culver, together with 

 the annexed maps, give full information relative to the progress that has 

 been made in the surveys and construction of the Park, the condition of the 

 materials and tools on hand, and the organization and discipline of the labor 

 force. 



It will be seen by reference to the progress map that the topographical 

 survey of the original surface is not yet complete. This work will be 

 pushed forward as vigorously as the other duties of the assistants, connected 

 more immediately with actual construction, will permit, and it is hoped that 

 the necessary data will be collected and recorded upon the map before the 

 opening of work in the Spring. 



The labor force has been chiefly employed in grading and in collecting 

 materials, such as soil, peat and stone, for future use. 



The price of excavation has varied from 12 cents to $1 20 per cubic 

 yard, depending upon its character, its final distribution, and the length of haul. 



