How we are sheltered; a geographical reader (1906)
Chamberlain, James Franklin, 1869-1943 · New York, The Macmillan company; London, Macmillan & co.,ltd. · leaf 199
. 68. — Oil Derricks at Los Angeles, California. oil industry is one of the most important in theworld. When men wish to drill an oil well, a derrickis erected over the spot where they expect tofind oil. An iron pipe is then driven into the 182 HOW WE ARE SHELTERED earth. Inside of this, a sharp… … Fig, 59. — Oil Wells along the Coast, Summerland, California. sometimes the wells are two or three thousandfeet deep. It costs a great deal to sink a deep well.Sometimes a single well will cost several thou-sand dollars. Many wells are drilled from which PETROLEUM 183 no oil is ever pumped. They…
Dwellings · Readers
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
