The SciencesMarch 1, 1931
Migrating Fish 'Climb' Fish Ladders
Stories by Charles W. Geiger
EnvironmentAugust 1, 1930
Fire: the Enemy of Our Forests
EnvironmentJuly 1, 1930
An Immigrant Plant Proving Ground
The SciencesJune 1, 1930
From Coco Palms to Coconut Oil
The Coconut Has Exerted a Tremendous Influence in the Industrial Life of the Philippine Islands
The SciencesFebruary 1, 1929
A Pre-cast Seven Mile Bridge
Concrete Bridge Across the Bay Below San Francisco Is Made Up almost Entirely of Pre-cast Units
EnvironmentDecember 1, 1928
Some Unique Methods Of Dam Construction
Building of Dams On the Gigantic Mokelumne Project Requires Much Ingenuity
The SciencesNovember 1, 1928
San Francisco's Memorial Museum
A Gift to the California City, This Magnificent Building Is a Replica of the Palace of the Legion of Honor
EnvironmentJune 1, 1928
Why the St. Francis Dam Collapsed
Although the Collapse, Fault on Which the Dam Was Erected Contributed to Its Softness of Foundation Bed-rock Was Primary Cause
EnvironmentFebruary 1, 1928
America's Greatest Water-wheel
With a Head of 2243 Feet, Balch Power Plant Is Highest Head Plant in America
EnvironmentApril 1, 1924
Saving Dollars by Salving Scrap
How the Multitudinous Wastes of a Great Railroad Are Converted Into Cash Values
EnvironmentApril 1, 1923
Harnessing California's Waters
The Completion of the First Stage of the Pit River Power Project
EnvironmentSeptember 1, 1922
California's Test Highway
A Concrete Roadway Built to Be Destroyed in Tests of Its Durability
EnvironmentAugust 1, 1922
The Superlative in Power Lines
Breaking Records in the Transmission of Hydroelectric Energy
The SciencesJune 25, 1921
The Up-to-the-Minute Laundry
TechnologyOctober 9, 1920
Twentieth Century Telegraphy
The Big San Francisco Central Office, the Last Word in Equipment for Speed and Capacity
EnvironmentApril 17, 1920
California's Power Famine