Membership
Donate
Store
OPEN TODAY: 10 A.M.–5 P.M.
Manuscripts
Daily: 10 A.M.–5 P.M.
Closed on Tuesdays
1151 Oxford RoadSan Marino, CA 91108
©2026 The Huntington
mssMarston papers V095/0087
mssMarston papers V095/0086
mssMarston papers V028/0025
mssMarston papers V151/0038
mssMarston papers V151/0039
mssMarston papers V095/0064
![Up to mouth of San Juan. RB-MV Expedition [on photo reverse: upstream view on Colorado just below jct. San Juan]](/_next/image?url=https%3A%2F%2Frail.huntington.org%2FIIIF3%2FImage%2F22APN4ICOM2J%2Ffull%2F%5E360%2C%2F0%2Fdefault.jpg&w=750&q=75)
![Downriver to 234 Mile Rapid [on photo reverse: Near Mi 231 1/2]](/_next/image?url=https%3A%2F%2Frail.huntington.org%2FIIIF3%2FImage%2F22APN4IGUV2J%2Ffull%2F%5E360%2C%2F0%2Fdefault.jpg&w=750&q=75)
![[#3] The "Up Colorado" running downstream at a point a few miles above Bridge Canyon. Harry Aleson at the controls [on photo reverse: In area of photos #1 and #2]](/_next/image?url=https%3A%2F%2Frail.huntington.org%2FIIIF3%2FImage%2F22APN4IGZ0EJ%2Ffull%2F%5E360%2C%2F0%2Fdefault.jpg&w=750&q=75)
![Harry Aleson at the controls of the "Up Colorado" running upstream a few miles above Bridge Canyon. The motor is a 22 1/2 HP Evinrude. Al Ross was also in the party [his shoulder at left]. Afternoon shadows](/_next/image?url=https%3A%2F%2Frail.huntington.org%2FIIIF3%2FImage%2F22APN4IR2R2R%2Ffull%2F%5E360%2C%2F0%2Fdefault.jpg&w=750&q=75)