From the American Alpine News. January 1997 - 
Volume 8 Number 216, ISSN0147-9288
Editor: Gene Ellis, 
Associate Editor: Len Zanni 
Contributing Editor: Ron Morrow

We quote the following about Mount Guyselman:

Guyselman Mountain's Historic 1935 Summit Register

By Joe Kramarsic
On September 11, 1996, Joan Hutchinson of Silverthorne, Colorado, 
and Katie Larson of Montezuma, Colorado, became the first women to record 
an ascent of 13,120-ft Guyselman Mountain in the Gore Range. This notable
ascent was the culmination of a remarkable series of events that is quite
rare in Colorado mountaineering. 

It is quite uncommon to find a summit register on a named
13,000-ft Colorado mountain that has gone unsigned for
almost 60 years, but that is what Stan Wagon of Silverthorne and
St. Paul, Minnesota, and Steve McCormick of Frisco and Boulder found when
they climbed this remote and isolated mountain on July 25, 1994.
The summit register was found remarkably well preserved in a small, metal
cylindrical tube. It was placed on September 1, 1935, and signed by
Carl J. Erickson and Irwin Smith, both of Denver and the
Colorado Mountain Club (CMC). The rest of the register pages were blank. 

Stan communicated his find to me, and both of us climbed the mountain
on August 27, 1995. I had previously climbed this mountain twice before in
1981 and 1984 during exploration of the range for research on my book
Mountaineering in the Gore Range. In my usual search of a summit for a record,
I had inexplicably overlooked this register both times. The summit in those
years did not have the semblance of a cairn. 

Previous research indicates that Guyselman Mountain was climbed once before
the register was placed. During the CMC Gore Range outing of
August 11-24, 1935, Club members made the ascent when the mountain was
known by its lettered designation of Peak M. Carl Erickson was an early
explorer of the Gore Range. He made the first ascent of 13,200-ft
Peak C with Edmund Cooper on July 2, 1932. They devised the A through O
lettered system of nomenclature for the semi-circle of unnamed peaks
bordering the Black Creek valley. 

The discovery of Guyselman Mountain's summit register is the second
occurrence in recent times of finding an unsigned register for such a
comparable length of time on a Colorado mountain. In 1984 Bob Martin
climbed a peak in the San Juan Mountains and found a CMC register that was
placed in 1934. It went unsigned for the next 50 years until Martin
climbed the mountain; he reported his find in the January 1985 issue of
Trail and Timberline.