Edwin C. Eckel

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1) Portland cement materials and industry in the United States

Author

Series

U.S. Geological survey. Bulletin 522

2) Contributions to economic geology, 1905: part I -- metals and nonmetals except fuels

Author

Geological Survey (U.S.)

Series

Geological Survey bulletin volume no. 285

3) The green schists and associated granite and porphyries of Rhode Island

Author

Emerson, Benjamin Kendall

Series

Geological Survey bulletin volume no. 312
Geological Survey bulletin volume no. 313
Geological Survey bulletin volume no. 311
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4) Results of spirit leveling in the state of New York for the years 1896 to 1905, inclusive

Author

Gannett, Samuel S

Series

Geological Survey bulletin volume no. 282
Geological Survey bulletin volume no. 283
Geological Survey bulletin volume no. 281
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