EnvironmentSeptember 16, 1916
Reclaiming the Everglades of Florida
How Huge Ditchers Are Cutting Miles of Drainage Canals Through the Waste Lands
Stories by Day Allen Willey
The SciencesMarch 6, 1915
Snag Boats on Flood Rivers
A Safeguard to Navigation
The SciencesJanuary 9, 1915
Concrete Viaducts on the Pennsylvania Railroad
Replacing Insecure Wooden Trestles With a Substantial Road Bed
The SciencesDecember 12, 1914
Comfort for Workers in Washington's Government Buildings
Necessity for Modern Sanitary Conditions Now Being Recognized
The SciencesMarch 7, 1914
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 SciencesAugust 16, 1913
Sleeping Death
The Scourge of Africa
The SciencesJuly 13, 1912
Railroad Building in Alaska
A Remarkable Railway Engineering Feat
The SciencesMay 11, 1912
How Irriǵation Founded a Scientific University
A Center for Technical Education in Arizona
EnvironmentJanuary 13, 1912
Watching for and Preventing Forest Fires
How the Forest Service is Protecting Our Standing Timber
The SciencesJune 10, 1911
Making Life Figures of the Roosevelt Trophies
High Art in Modern Taxidermy
The SciencesJanuary 21, 1911
Draining the Everglades
TechnologyMay 21, 1910
The Manufacture of Twine
The SciencesApril 16, 1910
Government Irrigation in the Yakima Watershed--The Tieton Canyon Canal
EnvironmentMarch 5, 1910
The Anthracite Coal Beds of Alaska
The SciencesSeptember 11, 1909
How Sudd Chokes the Nile River
The SciencesAugust 14, 1909
An American Forestry School
The SciencesJune 19, 1909
Los Angeles 200-Mile Conduit Water Supply
The longest artificial water conduit
The SciencesJune 19, 1909
A New Type of Great Lake Ore Steamer
The SciencesApril 10, 1909
Making Money out of Waste
Using Things that Were Once Thrown Away
The SciencesMarch 27, 1909
The Ice of the Arctic Waters
The SciencesMarch 27, 1909
The Manufacture of Smokeless Powder
From the Raw Material to the Finished Product
The SciencesJanuary 2, 1909
A Concrete Coal Mine Shaft
A New Way of Reaching Inaccessible Veins
The SciencesDecember 26, 1908
A Novel System of Concrete Construction
The SciencesOctober 31, 1908
The Yuma Irrigation Dam