Permian Potash Lease

U.S. DEPT. OF INTERIOR, BUREAU OF LAND MANAGEMENT, ENVIRON-MENTAL ANALYSIS RECORD, POTASH LEASING IN SOUTHEASTERNNEW MEXICO, OCT. 1975, PP. S317-324 I-49.GOLDSMITH, L.H. SOME FUNDAMENTALS OF POTASH GEOLOGY AS AGUIDE TO EXPLORATION, 1966, PP. 1-15.ADAMS, S.S. GEOLOGY IN POTASH MINING AND EXPLORATION, PRE-SENTED AT THE ANNUAL MEETING OF A.I.M.E. DENVER,COLORADO, FEB. 19, 1970, PP. 1-18.CHEESEMAN, R.J., U.S. GEOLOGICAL SURVEY, GEOLOGY AND OIL/POTASH RESOURCES OF THE DELEWARE BASIN, EDDY AND LEACOUNTIES, NEW MEXICO. NEW MEXICO BUREAU OF MINES ANDMINERAL RESOURCES CIRCULAR 159, 1978, PP. 7-11.ROSWELL GEOLOGIICAL SOCIETY, IMC POTASH MINE FIELD TRIP,CARLSBAD, NEW MEXICO, 1965-66 ONE DAY FIELD TRIPSERIES. PP. 1-8.AUSTIN G.S. NEW MEXICO BUREAU OF MINES AND MINERALRESOURCES, POTASH OCCURRENCES IN NEW MEXICO, NOV. 81976. BACKUP INFORMATION PROVIDED WITH REPORT.INTERNATIONAL MINERALS AND CHEMICALS, INTRODUCTION TO IMC-CARLSBAD, 1980, PP. 1-21.BROWN, J. HECLA MINING CO. WALLACE, IDAHO, PERSONALCOMMUNICATION AND MAPS PROVIDED.