Transactions . ?^p#e PH05PHATEBED. •-••r>v. Fig. 7.—Chert Ledge at Richs Hot Springs, Idaho. This is the first exposure south of Montpelier canon, and while dif-fering somewhat from either the Montpelier section or the Hot Springssection, the relative position of the workable bed at the top of theseries is the same. In November, 1903, Frank How^e discovered the phosphate forma-tion north of Croyden Station in Section 4, T. 4 N., R. 3 E., S. L. examination I found that it corresponded in position with theWoodruff Creek and Montpelier deposits. The geology of this sec-tion is well defi


Transactions . ?^p#e PH05PHATEBED. •-••r>v. Fig. 7.—Chert Ledge at Richs Hot Springs, Idaho. This is the first exposure south of Montpelier canon, and while dif-fering somewhat from either the Montpelier section or the Hot Springssection, the relative position of the workable bed at the top of theseries is the same. In November, 1903, Frank How^e discovered the phosphate forma-tion north of Croyden Station in Section 4, T. 4 N., R. 3 E., S. L. examination I found that it corresponded in position with theWoodruff Creek and Montpelier deposits. The geology of this sec-tion is well defined by the Survey of the 40th Parallel. At the point 204 A NEW PHOSPHATE FIELD IN THE UNITED STATES. of discovery the formation strikes N. 70° E. and stands vertical ordipping to the northeast The openings showed a considerable widthof material running from 20 to 56 per cent, bone phosphate withintercalated lime ledges. In the spring of 1904 I discovered in Section34, T. 4 K, R. 3 E., , the south extension of the formation 1 milesout


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Keywords: ., bo, bookcentury1800, bookdecade1870, booksubjectmineralindustries