SCIENCE AND INDUSTRY. 
formation occurring so largely in New South Wales, Victoria, South 
Australia, and West Australia, which produces nearly all of our wheat. 
A-substratum of clay occurs at varying depths through some of the 
land, and it is this fact which gave rise in the early days of settlement 
to a fierce controversy as to the wisdom of the choice of the locality. 
Fortunately, however, the criticism which was evoked has not pre- 
judiced the success of the undertaking. © The scheme itself is sound, 
as industry and intelligence are demonstrating to-day, and will exem- 
plify in a much more striking manner a few years hence. It is 
possible that cultural problems may occur here, as they have occurred 
in every part of the world where irrigation has been practised, but up 
to the present, confining comparison to Australia, the Yanco settlers 
have been singularly free from difficulties. 
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MAIN STREET, LEETON. 
To return to Leeton. The township and the surrounding country 
has already a population of between 4,000 and 5,000 people, where, 
prior to the advent of irrigation, there were only a few families. 
Leeton itself is lighted by electricity, and the settlers for 5 or 6 miles 
out use electricity in their homes and on their farms. Any one who 
has been privileged to visit some of the old-established irrigation settle- 
ments of California, who has seen the beauty and splendour of the 
avenues and of the private gardens, and the wealth and the high 
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