TY - GEN A1 - Schaller, Waldemar Theodore (1882-1967) A1 - Henderson, Edward Porter (1898- ) A2 - United States of America. Geological Survey. PB - Government Printing Office. L2 - http://pbc.gda.pl/Content/110851 KW - geology KW - mineralogy KW - potash KW - United States of America KW - journals T1 - Bulletin 833. Mineralogy of drill cores from the potash field of New Mexico and Texas UR - http://pbc.gda.pl/dlibra/publication/edition/110851 ER -