rock oil
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
But by fracking the rock, oil flowed from the shale.
From The Wall Street Journal ● Apr. 8, 2014
His report was so favorable that a company was formed, which leased all the land along Oil Creek upon which were traces of the new rock oil.
From Inventors by Philip Gengembre Hubert
Both Townsend and Drake would have died richer men had they never heard of the Pennsylvania rock oil.
From Inventors by Philip Gengembre Hubert
So far, Bissell's enterprise seemed to promise success, yet the great problem still remained: how could he obtain this rock oil in amounts large enough to make his enterprise a practical one?
From The Age of Big Business; a chronicle of the captains of industry by Burton Jesse Hendrick
It has in one part a spring of petroleum or rock oil, and one of its mountains is a volcano.
