Orrock, John Wilson, 1870–
Nationality: Undetermined, possibly 
(United States)
Identities and Authority Control
- pdbooks.info ID: 118009
John Wilson Orrock Contributed to the Following:
| Title | Edition | Year of Publication | Role | Country of Publication | Possible Copyright Status | Available Online? | |||
|---|---|---|---|---|---|---|---|---|---|
|  |  | 
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| Railroad structures and estimates | 2d ed., fully rev. | 1918 | Author | |  | |  | |    
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