I           I III IIUIIIIIIIIYIOIIIINIICIIIIIIIIII
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I u.s.c0v.
VI I PUBLICATIONS
· COLLECTION
A   A EMPLOYMENT AND INCOME
  I A FROM GOLD PLACERING
  BY HAND METHODS
I 1935--37
if __USA__ Univ- cf Ky. LIDI’3rjgS
I YI’§2.!?!§ A A
  I WPA
I WORK PROJECTS ADMINISTRATION
NATIONAL RESEARCH PROJECT mo
I DEPARTMENT OF THE INTERIOR
I    -7 BUREAU OF MINES