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Issues
Volume 51, Number 4
01 April 1940
ISSN 0016-7606
EISSN 1943-2674
Bulletin of the Geological Society of America
Submarine valleys and related geologic problems of the North Atlantic
GSA Bulletin April 01, 1940, Vol.51, 489-511. doi:https://doi.org/10.1130/GSAB-51-489
Sierra Nevada tectonic pattern
GSA Bulletin April 01, 1940, Vol.51, 513-539. doi:https://doi.org/10.1130/GSAB-51-513
Fabric criteria for distinguishing pseudo ripple marks from ripple marks
GSA Bulletin April 01, 1940, Vol.51, 557-569. doi:https://doi.org/10.1130/GSAB-51-557
Lime-secreting algae and algal limestones from the Pennsylvanian of central Colorado
GSA Bulletin April 01, 1940, Vol.51, 571-595. doi:https://doi.org/10.1130/GSAB-51-571
Stratigraphy and structure of the Devil Ridge area, Texas
GSA Bulletin April 01, 1940, Vol.51, 597-637. doi:https://doi.org/10.1130/GSAB-51-597
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