Author: | Stone, Ralph W. |
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Year: | 1917 |
Document Type: | N/A |
SUDOC: | I 28.7:155 |
Series: | United States Bureau of Mines Reports |
Report Number: | Technical Paper 155, Mineral Technology 19 |
Subject: | Gypsum. |
Link: | http://digital.library.unt.edu/ark:/67531/metadc66393/ |