David Locklear said:
>My favorite ladder, and I have only seen
pictures of it, is the one made out of a giant industrial chain-link belt.
That would probably be the bulldozer
track hanging in the entrance of Cueva del
Tecolote in Purificación. The most remarkable
ladder I have ever heard of (but not seen, of
course) was the 20-plus-meter-long log
ladder/ramp/stairs in Bolonchén, Campeche in use
in the mid 1800's. You can read about it in AMCS
Activities Newsletter 20, p. 88-92 (1993), which
contains a famous drawing of said ladder. A
slightly different version is online several
places, including
<http://www.arqueomex.com/S2N3nBOLONCH83.html>
and
<http://www.smith.edu/library/libs/rarebook/exhibitions/catherwood/plate20.htm>.
Mark Minton
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