The SciencesApril 3, 1920
Piercing New Zealand's Mountain Barrier
Stories by Oliver Johnson
The SciencesSeptember 20, 1919
Making the Desert Bloom in Australia
An Irrigation Scheme on the Island Continent That Involves Big Construction Work
The SciencesSeptember 2, 1916
Bridge Building in New Zealand
Interesting Designs That Have Been Successfully Erected
The SciencesDecember 19, 1914
Reinforced Concrete Pontoon
The SciencesDecember 24, 1904
The Largest Geyser in the World