Colorado River- ring bolts

0008:0486: Ring Bolts
0008:0486

Ring Bolts

Name/Title

Colorado River- ring bolts

Entry/Object ID

0008:0486

Description

Ring bolt in ring below Black Canyon used to hoist steamboats up the Colorado River in the 19th century. Left to Right: Walker R. Young, USBR construction engineer on Hoover Dam. F.S. Nickell, USBR geologist. Ralph Lowry, USBR. (Photo appeared in Las Vegas Evening Review-Journal, Friday January 15, 1932, sec.5, p.2)

Location

Location

* Untyped Location

Research room

Date

May 13, 2026

General Notes

Note

2 cal x 4 1/2" 60 gene mtd 2041 over 3 12

Create Date

November 23, 2022

Update Date

May 13, 2026