. Bulletin. Natural history; Natuurlijke historie. Figure xvii. View of the 17-toot unit of thick-bedded, non-argillaceous limestone ("Bob") at location 14, Jeannette quadrangle. A closer view of the lower contact of this limestone is shown in fig. xviii. The river level was 20 to 25 feet higher in 1946 when this picture was taken than in 1942 when section 14 (fig. 19) was measured. Photograph by C. O. Figure xviii. \iew of the contact of the IT-tooi unit of thick-bedded, non-argillaceous limestone ("Bob") with the underlying thin-bedded, argillaceous limestones an
. Bulletin. Natural history; Natuurlijke historie. Figure xvii. View of the 17-toot unit of thick-bedded, non-argillaceous limestone ("Bob") at location 14, Jeannette quadrangle. A closer view of the lower contact of this limestone is shown in fig. xviii. The river level was 20 to 25 feet higher in 1946 when this picture was taken than in 1942 when section 14 (fig. 19) was measured. Photograph by C. O. Figure xviii. \iew of the contact of the IT-tooi unit of thick-bedded, non-argillaceous limestone ("Bob") with the underlying thin-bedded, argillaceous limestones and calcareous shales. This picture was taken at the south (left) end of the bluff shown in fig. xvii. Photograph by C. O. 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 Peabody Museum of Natural History. New Haven : The Museum
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Keywords: ., bookcentury1900, bookcollectionbiodiv, booksubjectnaturalhistory
