PROGRAM All meetings will be held in the Roof Garden of the Junior Adolphus Hotel, unless otherwise announced. Thursday, March 13th 9 a. m. Registration of Members and Guests, Lobby of Junior Adolphus Hotel 10:30 a. m. OPEN MEETING Addresses of Welcome by MAYOR LAWThER AND GILBERT H. IRISH of Dallas Five-minute addresses by DAVID WHITE, Chief Geologist, U. S. Geological Survey I. C. WHITE, State Geologist, West Virginia RALPH ARNOLD, Valuation Expert, Internal Revenue Department, U. S. Treasury J. A. UDDEN, State Geologist of Texas CHAS. SCHUCHERT, Professor of Geology, Yale University, New Haven, Conn. 2-5 p. m. TECHNICAL SESSION 1. Subsurface Geology of the Oil Producing Districts of North Central Texas Discussion led by JON A. UDDEN Description of Cuttings from Duffer Well, Ranger Field Empire Well near Brownwood Goode Well, Young County, and Dye Well, Palo Pinto County Bartles & Dumenil Well, Brown County Lithologic Characteristics of the Bend Series CHAS. R. ECKES D. B. GREGER F. B. PLUMMER V. V. WAITE ALEX W. MCCOY