(20) J. A. PUTNAM and J 0 W 0 JOHNSON: The dissipation of wave energy by flow in a permeable 
sea bottom and by bottom friction 
(21) J. W. JOHNSON: The refraction of surface waves by currents 
(22) R. Go FOLSOM: Subsurface pressures due to oscillatory waves 
(23) A. C. VINE and MAURICE EWING: The free-falling bathythermograph 
(24) NELSON STEENLAND: Formation surveying 
(25) J. Lo WORZEL and MAURICE EWING: Improvements in underwater bombs 
(26) M. Wo BUELL, JR. and H. H. HESS: The greatest oceanic deeps 
SECTION OF VOLCANOLOGY 
Tuesday, April 29, 1947, 14 h 00m, Room 4 (Auditorium, Natural History Building) 
Business Session 
(a) Reports of committees 
(b) Announcement by Section Tellers of the officers elected by the Section for the triennium 
beginning July 1, 1947 
(c) Other business 
Scientific Sessions 
(1) To W. F 0 BARTH: Geysers of Iceland (15 minutes) 
(2) E 0 G. ZIES: The halogen contents of the steam condensates from Santa Maria, Guatemala 
(10 minutes) 
(3) GEORGE KENNEDY: Some quenching experiments with basalts (20 minutes) 
(4) JONORE GONZALES: Volcanic geology of the western part of Michoacan, Mexico (15 
minutes) 
(5) ROBERT R 0 COATES: Past volcanic activity in the Aleutian Islands (10 minutes) 
(6) D. Mo HOPKINS: Geology of Okmoh Volcano, Uniak Island, Alaska (15 minutes) 
(7) FRANK M„ BYERS: Geochemical investigations on Uniak Island (15 minutes) 
(8) Eo Go ZIES: A program of volcanological research (20 minutes) 
SECTION OF HYDROLOGY 
Sunday, April 27, 1947, 08^30^, Inspection Trip 
Inspection trip to the plant of the Safe Harbor Water Power Corporation on the Susquehanna 
River by invitation of JOHN A. WALLS, President of the Pennsylvania Water and Power Company 0 
Trip arranged by CARROLL F» MERRIAM 0 For reservations write K. HILDING BEIJ (Secretary, 
Section of Hydrology),3428 Porter St., Washington 16, D. C 0 , before Tuesday, April 22, 1947, en¬ 
closing check for four dollars to cover transportation. 
Monday, April 28, 1947, 09 h 00 m , Room 6 (Auditorium, Commerce Department) 
Scientific Sessions 
Symposium on the ground-water hydrology of limestone terranes 
(1) A. C. SWINNERTON: Terrane conditions controlling limestone solubility--A review 
(2) D. K. HAMILTON: Solutional development in the blue-grass region of Kentucky 
(3) W. O. GEORGE: Development of limestone reservoirs in Comal County, Texas 
(4) D. F. KENT: Geological factors relating to solution development and underground stream 
flow in the East Tennessee zinc district 
(5) B. C. MONEYMAKER: Some broad aspects of limestone solution in the Tennessee Valley 
(6) H. H. COOPER, JR.: A deep limestone aquifer at Fernandino, Florida 
(7) G. D. ROBERTS: Limestone problems of the Bull Shoals Dam 
Monday, April 28, 1947, 14 ^ 0001 , Room 6 (Auditorium, Commerce Department) 
(8) J. TUZO WILSON: Exercise Musk-Ox (An exciting documentary film, with sound, contain¬ 
ing a wealth of technical information, lasting about 50 minutes, to be presented by the 
Deputy Director of the Exercise) 
Tuesday, April 29, 1947, 09^00™, Room 6 (Auditorium, Commerce Department) 
Business Session 
(a) Reports of officers . _ . - 
(b) Report of Tellers on election of officers of the Section for the triennium beginning July l, 
1947 
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(c) Report of Committee on Resolutions [Resolutions for presentation at the Business Session 
shall be submitted in writing to the Resolutions Committee of the Section (L. G. Straub 
Chairman; K, H. Beij; and Waldo E. Smith) by noon, Monday, April 28 1947] 
(d) Report of Committee on Honors and Awards * J 
Scientific Sessions 
(Rl) So Wo LOHMAN: Report of the Research Committee on Ground-water (by title) 
(R2) Co E. JACOB: Report of the Research Committee on Permeability 
(9) R 0 Go KAZMANN: The induced infiltration of river water to wells 
(10) K. E 0 ANDERSON. Effect of acidizing on transmissibilities calculated by the recovery 
method 
(11) DON KIRKHAM: Theory of flow of ponded water into drains in soil overlying an impervious 
layer (by title) 
(12) CHESTER K 0 WENTWORTH: Growth of the Ghyben Herzhez transition zone under a rin¬ 
sing hypothesis 
(13) Do Jo CEDERSTRON: Ground-water in southern Okinawa 
(R3) MERRILL BERNARD: Report of the Research Committee on Precipitation 
(14) G. Do ABRAMS: On the variability of precipitation in the United States 
(R4) Lo A. RICHARDS: Report of the Research Committee on Physics of Soil Moisture (by title) 
(R5) W 0 Co LOWDERMILK: Report of the Research Committee on Erosion 
(15) Co B. BROWN: Effects of land use on sedimentation in Lake Decatur, Illinois 
(16) R 0 W. BAILEY: Mud-rock flows and watershed conditions in northern Utah 
(17) Wo Do ELLISON: Soil detachment by water in erosion processes 
(R6) P 0 E. CHURCH: Report of the Research Committee on Lakes (by title) 
Tuesday, April 29, 1947, 14 h 00m, Room 6 (Auditorium, Commerce Department) 
A round-table discussion of HYDROLOGIC REGIONS arranged by MERRILL BERNARD Chair 
man of the Research Committee on Hydrologic Regions ’ ^ 
Wednesday, April 30, 1947, 09^00 m , Room 6 (Auditorium, Commerce Department) 
(R7) R. c. FARROW: Report of the Research Committee on Snow 
/!n\ E ° and D * ABRAMS: A statistical approach to the snow-melt problem 
(19) V 0 J, SCHAEFER: Changes in snow on the ground 
(R8) FRANCOIS E 0 MATHES: Report of the Research Committee on Glaciers 
(R9) R. Wo DAVENPORT: Report of the Research Committee on Runoff 
(R10) L. Go STRAUB: Report of the Research Committee on Dynamics of Streams 
(20) W. So EISENLOHR, JR.: Effects of water temperature on flow of a natural stream 
(Rll) Ho G. WILM: Report of the Research Committee on Evaporation and Transpiration 
(R12) G. W. MUSGRAVE: Report of the Research Committee on Infiltration 
(21) LEON LASSEN and E. N. MUNNS: Vegetation and frozen soils 
(22) LEONARD SCHIFF and F. R. DREIBELBIS: Infiltration, soil moisture, and land use re¬ 
lationships with reference to surface runoff 
C ° S# HOWARD: Re P ort of the Research Committee on Chemistry of Natural Waters 
D ‘ HEM: Fluctuations of dissolved solids concentration of some southwestern streams 
(24) W. W. HASTINGS and W 0 O. GEORGE: The occurence of nitrates in ground waters of 
Texas 
a 
SECTION OF TECTONOPHYSICS 
Wednesday, April 30, 1947, 09^0001, Room 2 (Conference Room B, Departmental Auditorium) 
Business Session 
(a) Reports of committees 
(b) Announcement by Section Tellers of the officers elected by the Section for the triennium 
beginning July 1, 1947 
(c) Other business 
Scientific Session 
(1) ERNST CLOOS: Boudinage 
m to a S t TER R# LONGWELL: Development of slaty cleavage in a thrust block 
m pn^r!fMM IR ^ : ?.f U . Stal structure and surface heat flow near the Colorado Front Range 
(4) ROSS GUNN: Quantitative aspects of juxtaposed ocean deeps, mountain chains and volcanic 
ranges 
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