TY - GEN A1 - Gale, Hoyt Stoddard (1876-1952) A2 - United States of America. Geological Survey. PB - Government Printing Office. L1 - http://pbc.gda.pl/Content/73979/15045_Bulletin_523_.pdf L2 - http://pbc.gda.pl/Content/73979 KW - journals KW - geology KW - mineralogy T1 - Bulletin 523. Nitrate deposits UR - http://pbc.gda.pl/dlibra/publication/edition/73979 ER -