1. Cons. Engr., New York, N. Y.
2. Lt. Comdr.; U.S. Coast and Geodetic Survoy, Washington, D. C.
3. Prof. of Civ. Eng., Univ. of Bristol, Bristol, England.
4. Designing Engr., Dept. of Water and Sewers, Miami, Fla.
5. Civ. Engr., Dept. of Public Works, City of New York, New York, N. Y.
6. Civ. and Structural Engr., El Cerrito, Calif.
7. Concrete Engr., D. L. & W. R. R., Hoboken, N.J.