01709nam 2200397 a 450 991070099300332120110912140312.0(CKB)5470000002413093(OCoLC)751989141(EXLCZ)99547000000241309320110912d2011 ua 0engurcn|||||||||txtrdacontentcrdamediacrrdacarrierTrace metals related to historical iron smelting at Hopewell Furnace National Historical Site, Berks and Chester Counties, Pennsylvania[electronic resource][Reston, Va.] :U.S. Dept. of the Interior, U.S. Geological Survey,[2011]1 online resource (2 unnumbered pages) color illustrations, color mapsFact sheet ;2011-3101Title from title screen (viewed on Sept. 12, 2011)."August 2011."Includes bibliographical references (page [2]).MetalsEnvironmental aspectsPennsylvaniaHopewell Furnace National Historic SiteIron smeltingEnvironmental aspectsPennsylvaniaHopewell Furnace National Historic SiteEnvironmental samplingPennsylvaniaHopewell Furnace National Historic SiteMetalsEnvironmental aspectsIron smeltingEnvironmental aspectsEnvironmental samplingGeological Survey (U.S.)GPOGPOBOOK9910700993003321Trace metals related to historical iron smelting at Hopewell Furnace National Historical Site, Berks and Chester Counties, Pennsylvania3185069UNINA