Recovery of ore pillars one hundred feet high
Our rough guess is there are 2,750 words in this book.
At a pace averaging 250 words per minute, this book will take 0 hours and 11 minutes to read. With a half hour per day, this will take 1 days to read.
How long will it take you?
This book will take an estimated to read at a reading speed averaging words per minute. With 30 minutes per day, this will take to read.
Enter your reading speedYou can take one of our WPM reading speed tests to find your reading speed.
Create a free account to track your reading progress, build your reading list, and set reading goals.
Author
Contributions
- Canadian Institute of Mining and Metallurgy. - Contributor
- Underground support systems (Sudbury, Ontario : 1983) - Contributor
Publication
1983 - Canadian Institute of Mining and Metallurgy, s.l., Ontario
Language
English
Similar Books
Reader Reviews
No reviews yet for this book.
Be the first to share your thoughts!