Bench-marks. Descriptions and elevations of precise level, Panama Railroad, and other bench-marks along P. R. R., various roads, and at Madden Lake project, May 1, 1931.
Publication Title:
Bench-marks. Descriptions and elevations of precise level, Panama Railroad, and other bench-marks along P. R. R., various roads, and at Madden Lake project, May 1, 1931.
Display Title:
Bench-marks. Descriptions and elevations of precise level, Panama Railroad, and other bench-marks along P. R. R., various roads, and at Madden Lake project, May 1, 1931.
Corporate Agency Authors:
Operation and Maintenance Department
Sort Author:
Operation and Maintenance Department
Date:
June 17, 1931
Publish Date ISO Format:
1931-06-17T00:00:00Z
Publication Start:
19310617
Publication End:
19310617
Corporate/Agency Author:
Operation and Maintenance Department
Publication month:
7
Publication year:
1931
Publication place:
Mount Hope, C. Z.
Printer:
Panama Canal Press
SuDoc number:
W 79.2:P 91/2
Description:
cover-title, 22 leaves, 16°
Notes:
(Section of Surveys.)
Notes:
(Section of Surveys.) ‡ Official Use. Not Available.