LEADER 00000cam a2200421I  4500 
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005    20030728141829.0 
008    801205s1957    dcuab    b   f001 0 eng c 
010    gs 57000209 
035    (OCoLC)7003345 
040    U.S. Geol. Survey. Libr.|beng|cERE|dm.c.|dm/c 
043    s-bl--- 
049    RIDM 
050    QE75|b.P9 no. 290 
090    QE75 .P9 no. 290 
100 1  Guild, Philip White,|d1915-|0https://id.loc.gov/
       authorities/names/n82012328 
245 10 Geology and mineral resources of the Congonhas district, 
       Minas Gerais, Brazil.|bA study of pre-Cambrian sedimentary
       iron formation and associated deposits of hematite and 
       manganese ores. 
246 3  Congonhas district, Minas Gerais, Brazil 
264  1 Washington :|bU.S. Govt. Print. Off.,|c1957. 
300    v, 90 pages :|billustrations, maps (part color) color 
       profiles, tables. ;|c29 cm. 
336    text|btxt|2rdacontent 
337    unmediated|bn|2rdamedia 
338    volume|bnc|2rdacarrier 
490 1  United States. Geological Survey. Professional paper ;
       |v290 
500    Part of illustrative matter is folded in pocket. 
500    Prepared in cooperation with the Departmento Nacional da 
       Produça͠o Mineral of Brazil under the auspices of the 
       International Cooperation Administration of the United 
       States Dept. of State. 
504    Bibliography: pages 86-87. 
650  0 Geology|zBrazil|zMinas Gerais.|0https://id.loc.gov/
       authorities/subjects/sh2009125772 
650  0 Mines and mineral resources|zBrazil|zMinas Gerais.|0https:
       //id.loc.gov/authorities/subjects/sh2010101944 
650  7 Geology.|2fast|0https://id.worldcat.org/fast/940627 
650  7 Mines and mineral resources.|2fast|0https://
       id.worldcat.org/fast/1022541 
651  7 Brazil|zMinas Gerais.|2fast|0https://id.worldcat.org/fast/
       1207403 
830  0 Professional paper (Geological Survey (U.S.)) ;|0https://
       id.loc.gov/authorities/names/n84705997|vno. 290. 
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