. Annual report for the year ended June 30 .... United States National Museum. INVESTIGATION AND RESEARCH 77 Geology Head curator G. Arthur Cooper continued his researches on the Permian brachiopods of the Ghiss Mountains in collaboration with Dr. R. E. Grant of the Geological Survey. The descriptive portion of their manuscript has been completed, but revision of the manuscript and illustrations will still occupy considerable time. In connection with this joint project, more than a thousand photographs. Among new facilities provided by east wing is this chemistry laboratory in the divisio
. Annual report for the year ended June 30 .... United States National Museum. INVESTIGATION AND RESEARCH 77 Geology Head curator G. Arthur Cooper continued his researches on the Permian brachiopods of the Ghiss Mountains in collaboration with Dr. R. E. Grant of the Geological Survey. The descriptive portion of their manuscript has been completed, but revision of the manuscript and illustrations will still occupy considerable time. In connection with this joint project, more than a thousand photographs. Among new facilities provided by east wing is this chemistry laboratory in the division of mineralogy and petrology. have been made by Mr. Jack Scott. Drs. Cooper and Grant have also prepared a short paper on new stratigraphic terms to clarify discus- sions of the stratigraphy of the Glass Mountains. Mineralogy and petrology.—Curator George Switzer completed his annual review of the diamond industry and continued research on several long-term projects. During the year he visited mineralogical museums in Philadelphia, New York, Toronto, and Chicago, and at- tended annual meetings of several mineralogical and gem organiza- 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 United States National Museum. [Washington] : Smithsonian Institution
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