IN 15811 R. I. 3251 DEPARTMENT OF THE INTERIOR UNITED STATES BUREAU OF MINES REPORT OF INVESTIGATIONS UNITED ENGINEERING STUDIES AND RESULTS OF ACID TREATMENT OF WELLS, ZWOLLE OIL FIELD, SABINE PARISH, LA. STATES BY OCTOBER 1934 October, 1934 TH 23 2401 This should read: (Please make the following corrections in Report of Investigations No. 3251, "Engineering Studies and Results of Acid Treatment of Wells, Zwolle Oil Field, Sabine Parish, La.", by R. E. Heithecker.) Table 1, page 3, shows: REPORT OF INVESTIGATIONS ENGINEERING STUDIES AND RESULTS OF ACID TREATMENT OF WELLS, By R. E. Heithecker 3, UNITED STATES BUREAU OF MINES A, B, normal 11 ERRATA The left-hand part of the legend of Figure 12, page 32, which failed to print clearly, reads: Marlbrook Marl UNIV. OF MICH. NOV 22 1934 LIBRARIAN'S OFFICE Annona Chalk Marlbrook Marl) 450 ft. 450 ft. 450 ft. |