. Bulletin of the Geological Society of America. Geology. 180 F. W. SARDESON GALENA SERIES they are marine deposits. Some fossil species occur in practically every stratum from top to bottom of the series and in practically every locality. Figure 1.—Map showing Distribution of the Galena and Trenton Formations. of the area, thus indicating a constantly uniform condition and a single marine Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly rese
. Bulletin of the Geological Society of America. Geology. 180 F. W. SARDESON GALENA SERIES they are marine deposits. Some fossil species occur in practically every stratum from top to bottom of the series and in practically every locality. Figure 1.—Map showing Distribution of the Galena and Trenton Formations. of the area, thus indicating a constantly uniform condition and a single marine Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Geological Society of America. [New York : The Society]
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