238 FINAL ACT OF SECOND PAN AMERICAN SCIENTIFIC CONGRESS. 



TUESDAY AFTERNOON, JANUARY 4, 19162.30 O'CLOCK. 

 Session of Subsection 1. 



RALEIGH HOTEL, FIRST FLOOR, PRIVATE DINING ROOM. 



E. I/. CORTHELL, Chairman. 



Engineering and Other Scientific Work of the United States Coast and 



Geodetic Survey. (With moving pictures.) 



E. LESTER JONES, Superintendent, United States Coast and Geodetic 

 Survey, Washington, D. C. 



Engineering and Other Scientific Work of the United States Geological 



Survey. 



R. B. MARSHALL, Chief Geographer, United States Geological 

 Survey, Washington, D. C. 



Governmental Geographical Work in Colombia. 



M. ESCOBAR LARRAZABAL, Engineer, Office of Longitudes of 

 Colombia. 



Surface Curve of Water in an Open River Channel. 



RAMON SALAS EDWARDS, Professor, Catholic University, Santiago, 

 Chile. 



Sandy Seacoast Shore Protection. 



B. F. CRESSON, Jr., New Jersey State Board of Commerce and Navi- 

 gation, 75 Montgomery Street, Jersey City, N. J. 



As part of the discussion : 



Development of the More Important Shore Protection Work in Holland, 



1905-1915. 

 JOHN W. THIERRY, Haarlem, Holland. 



WEDNESDAY MORNING, JANUARY 5, 19169.30 O'CLOCK. 

 Session of Subsection 1. 



SPECIAL PAN AMERICAN TOPICS FOR SECTION V. 



t RALEIGH HOTEL, TENTH FLOOR, SMALL BANQUET ROOM 



Gen. W. H. BIXBY and ELMER L. CORTHELL, Chairmen. 



Uniform Gauge for Railways in Central and South America. 



G. CLODOMIRO PEREIRA DA SILVA, Technical Counselor, Ministry of 

 Agriculture, State of Sao Paulo, Brazil. 



C. TEJADA SOLORZANO, Civil Engineer, La Paz, Bolivia 



