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Thomas Drummond

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Stand Alone

Sketch of a journey to the Rocky Mountains and to the Columbia River in North America
The miner's inch and the discharge of water through various orifices under low heads
Mining in British Columbia
Mining in British Columbia (Classic Reprint)
The Young Ladies and Gentleman's Auxiliary, in Taking Heights and Distances, Containing the Use of the Small Pocket Case of Mathematical Instruments, Vol. 1 Illustrated by Practical Geometry, the Knowledge of Which Is Essential for the Student in Geogr
The Young Ladies and Gentleman's Auxiliary, in Taking Heights and Distances, Containing the Use of the Small Pocket Case of Mathematical Instruments, Vol. 1 Illustrated by Practical Geometry, the Knowledge of Which Is Essential for the Student in Geogr
The Young Ladies and Gentlemen's Auxiliary in Taking Heights and Distances, Containing the Use of the Small Pocket Case of Mathematical Instruments