Book-bot.com - Transactions of the American Society of Civil Engineers, vol. LXVIII, Sept. 1910 - The New York Tunnel Extension of the Pennsylvania Railroad, - The North River Division. Paper No. 1151 by Jacobs, Charles M.

Transactions of the American Society of Civil Engineers, vol. LXVIII, Sept. 1910 - The New York Tunnel Extension of the Pennsylvania Railroad, - The North River Division. Paper No. 1151 by Charles M. Jacobs
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| +--(OFFICE STAFF)
| |
| +--Draftsmen.
| Field Office Clerks.
| Cement Warehousemen.
| Janitors.
| Messengers.
|
+--(MEDICAL DEPARTMENT)
| |
| CHIEF MEDICAL OFFICER
| Ass't. Medical Officer.
|
|
+--(BERGEN HILL TUNNELS)
| |
| RESIDENT ENGINEER
| Assistant Resident Engineer
| |
| +--Assistant Engineer.
| | Instrumentmen.
| | Rodmen.
| | Chainmen.
| |
| +--Inspectors.
| | Cement Warehousemen.
| |
| +--Clerk.
| Janitors.
|