Environment
Reclaiming the Everglades of Florida
How Huge Ditchers Are Cutting Miles of Drainage Canals Through the Waste Lands
Stories by Day Allen Willey
The Sciences
Snag Boats on Flood Rivers
A Safeguard to Navigation
The Sciences
Concrete Viaducts on the Pennsylvania Railroad
Replacing Insecure Wooden Trestles With a Substantial Road Bed
The Sciences
Comfort for Workers in Washington's Government Buildings
Necessity for Modern Sanitary Conditions Now Being Recognized
The Sciences
What Our Military Cooking Schools Mean to the Soldier
In Future Wars the Bullet, not Ill-Prepared Food, Will Be the Cause of Loss of Life
The Sciences
Sleeping Death
The Scourge of Africa
The Sciences
Railroad Building in Alaska
A Remarkable Railway Engineering Feat
The Sciences
How Irriǵation Founded a Scientific University
A Center for Technical Education in Arizona
Environment
Watching for and Preventing Forest Fires
How the Forest Service is Protecting Our Standing Timber
The Sciences
Making Life Figures of the Roosevelt Trophies
High Art in Modern Taxidermy
The Sciences
Draining the Everglades
Technology
The Manufacture of Twine
The Sciences
Government Irrigation in the Yakima Watershed--The Tieton Canyon Canal
Environment
The Anthracite Coal Beds of Alaska
The Sciences
How Sudd Chokes the Nile River
The Sciences
An American Forestry School
The Sciences
A New Type of Great Lake Ore Steamer
The Sciences
Los Angeles 200-Mile Conduit Water Supply
The longest artificial water conduit
The Sciences
Making Money out of Waste
Using Things that Were Once Thrown Away
The Sciences
The Manufacture of Smokeless Powder
From the Raw Material to the Finished Product
