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.]

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

Paper Cups for Plant Pots

The Current Supplement- March 30, 1918

A New Gas for Welding and Cutting, The Highest Possible Explosives