It takes the average reader 4 hours and 38 minutes to read History of Arizona's Clifton-Morenci Mining District: The era of mining by open pit by Ted Cogut
Assuming a reading speed of 250 words per minute. Learn more
World War II would bring on a great expansion in both the output and method of copper mining with a shift from underground tunnels to an open pit mine which became the largest copper producer in North America. In 1996, that Morenci Open Pit Mine would set the world-record for mine production.
History of Arizona's Clifton-Morenci Mining District: The era of mining by open pit by Ted Cogut is 274 pages long, and a total of 69,596 words.
This makes it 92% the length of the average book. It also has 85% more words than the average book.
The average oral reading speed is 183 words per minute. This means it takes 6 hours and 20 minutes to read History of Arizona's Clifton-Morenci Mining District: The era of mining by open pit aloud.
History of Arizona's Clifton-Morenci Mining District: The era of mining by open pit is suitable for students ages 12 and up.
Note that there may be other factors that effect this rating besides length that are not factored in on this page. This may include things like complex language or sensitive topics not suitable for students of certain ages.
When deciding what to show young students always use your best judgement and consult a professional.
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