TECHNICAL MEMORANDUMS-Continued 



TM TITLE, AUTHOR, AND DATE 



13 "Longshore Current Observations in Southern California," by F. P. Shepard, 

 January 1950. 



14 "Report on Beach Study in the Vicinity of Mugu Lagoon, California," by D. L. 

 Inman, March 1950. 



15 "Longshore Bars and Longshore Troughs," by Francis P. Shepard, January 1950. 



16 "Accretion of Beach Sand Behind a Detached Breakwater," by John W. Handin and 

 John C. Ludwick, May 1950. 



17 "Test of Nourishment of the Shore by Offshore Deposition on Sand," by J. Y. Hall, 

 Jr. and W. J. Herron, Jr., June 1950. 



18 "The Rayleigh Disk as a Wave Direction Indicator," by J. V. Hall, Jr., July 1950. 



19 "Submarine Topography and Sedimentation in the Vicinity of Mugu Submarine 

 Canyon, California," by D. L. Inman, July 1950. 



20 "Beach Cycles in Southern California," by Francis P. Shepard, July 1950. 



21 "The Interpretation of Crossed Orthogonals in Wave Refraction Phenomena," by 

 WiUard J. Pierson, Jr., January 1951. 



22 "The Source, Transportation, and Deposition of Beach Sediment in Southern 

 Cahfornia," by John W. Handin, March 1951. 



23 "The Use and Accuracy of the Emery Settling Tube for Sand Analysis," by D. M. 

 Poole, W. S. Butcher, and R. L. Fisher, July 1951. 



24 "The Accuracy of Present Wave Forecasting Methods with Reference to Problems in 

 Beach Erosion on the New Jersey and Long Island Coasts," by W. J. Pierson, Jr., 

 AprU 1951. 



25 "The Slope of Lake Surfaces Under Variable Wind Stresses," by B. Haurwitz, 

 November 1951. 



'26 "Sand Movement on the Shallow Inter-Canyon Shelf at La Jolla, California," by 

 F. P. Shepard and D. L. Inman, November 1951. 



27 "Wind Set-up and Waves in Shallow Water," by Thorndike Saville, Jr., June 1952. 



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