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
page 18 of 34 (52%)

| +--Recording Clerk.
| | Ass't. Recording Clerks.
| |
| +--DISPATCH BOAT
| | |
| | +--Captains.
| | Engineers.
| | Deckhands.
| | Messenger.
| |
| +--RESIDENT ENGINEERS
| |
| +--(CONSTRUCTION)
| | |
| | +--Ass't. Engineers.
| | Chief Tunnel Inspectors.
| | Tunnel Inspectors.
| | Surface Inspectors.
| | Clerks.
| |
| +--(ALIGNMENT)
| | |
| | +--Ass't. Engineers.
| | Chiefs of Parties.
| | Instrumentmen.
| | Rodmen.
| | Chainmen.
| | Rear Chainmen.
| | Laborers.
| |