Cleaning Lakes of Weeds with the Submarine Saw, Our First Year of War, and more
[articles include an editorial retrospective on the first year of the war for the U.S.]
Volume 118, Issue 13
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Features
The Jackson Hole Country of Wyoming
What the Proposed Addition to the Yellowstone Is Like
Our Shipping Problem, Ingenious Ways of Destroying U-Boats
The New Warfare of the Trenches
How Grenades and Automatic Rifles Have Altered French Infantry Tactics
War and Money
How the Engineer, Scientist and Inventor Can Best Help to Win the War
Mail Through the Air
The Significance of the New York-Washington Undertaking
Mechanical Equipment of the Farm- March 30, 1918
Latest developments in agricultural machinery and practical suggestions for the farmer
Storage of Farm Machinery, A Drive on Grain Elevators, and more
Ship Builder Versus Submarine
Construction of the Largest Shipbuilding Yard in Existence