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Scanning electron microscope photograph of a bladed crystal of hydrous calcium sulfate. Skamania County, Washington. 1980.

Dates

Date Taken
1980

Summary

Album caption: Scanning electron microscope (SEM) photograph of a bladed crystal of hydrous calcium sulfate containing minor amounts of Fe and Al forming from botryoidal yellow noncrystalline material shown in photo no. 42 (msh_1250_00042) (sample MSH 7-1-80-6B). Skamania County, Washington. July 1, 1980. Published as figure 143 in U.S. Geological Survey. Professional paper 1250. 1981. Handwritten notes on album caption: (Photo by T. Keith) Index card unavailable.

Contacts

Data Owner :
U.S. Geological Survey
Photographer :
Keith, T.

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msh_1250_00043.jpg thumbnail 996.75 KB image/jpeg
msh_1250_00043.tif 14.81 MB image/geotiff

Material Request Instructions

Available in the U.S. Geological Survey Denver Library Photographic Collection, Mount St. Helens Collection.

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Additional Information

Identifiers

Type Scheme Key
name photoLibrary msh_1250_00043
number photoLibrary 26926
batch photoLibrary btch139
number_in_book photoLibrary 43

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