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Volume 61, Number 1
January 1950
GSA Bulletin Cover Image for Volume 61, Issue 1
ISSN: 0016-7606
EISSN: 1943-2674
DISTRIBUTION OF RADIOACTIVITY IN GRANITES AND POSSIBLE RELATION TO HELIUM AGE MEASUREMENT
PATRICK M HURLEY
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LAVA FLOWS IN THE GRAND CANYON OF THE COLORADO RIVER, ARIZONA
JOHN H MAXSON
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GEOLOGIC CROSS-SECTION OF THE CORDILLERA DE LOS ANDES AT ABOUT PARALLEL 33° L.S. (ARGENTINA-CHILE)
FÉLIX GONZÁLES BONORINO
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CORRELATION OF THE CRETACEOUS-TERTIARY TRANSITION IN SASKATCHEWAN AND ALBERTA
LORIS S RUSSELL
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STRUCTURE AND PETROLOGY OF THE LOVEWELL MOUNTAIN QUADRANGLE, NEW HAMPSHIRE
MILTON T HEALD
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  • Online ISSN 1943-2674
  • ISSN 0016-7606
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