Volume 7, Issue 180supp
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Features
Piat's Portable Oscillating Foundry Furnaces
Trial Test of a New Patent “Bumper”
The Leadville Mines
Fossil Forests of the Volcanic Tertiary Formations of the Yellowstone National Park
A Salt Mountain in St. Domingo
The Brazilian Sandstone Reefs
A Mountain Sinking
Another World Inhabited Like our Own
Description of the Planet Mars—Discovery of its Satellites