Volume 17 (Continued) 



Nomograph for Determining Product of Shoaling and Refraction 

 Coefficients for Use in Wave Analysis 



The nomograph is given for use in calculating the combined 

 effects of shoaling and refraction for a given wave period and 

 depth. Written by Robert Q. Palmer. 



Recomputat ion of Federal Share of Construction Costs under 

 Provisions of Public Law 87-874. 



Federal share of construction cost for regular beach erosion 

 control was increased from one-third to one-half and provided fur- 

 ther Federal participation in the cost of projects for restoration 

 and protection of State, County, and other publicly owned parks 

 and conservation areas as high as 70 percent of the total cost. 



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