APPROXIMATELY LOCATED IN OR AROUND THE ELLSWORTH MINING DISTRICT; PAPKE INDUSTRIAL MINERALS FILES; HANDWRITTEN NOTES; GEOLOGY; MAGNETIC MAP; CORRESPONDENCE; SITE NAME: ENGLE IRON DEPOSIT, STOUDER PATENTED CLAIM, SURVEY NO. 4334, STANDARD SLAG CO.; COMMODITY: IRON; AUTHOR: PAPKE, K.; JONES, R.O.; GAYLORD, G.B.