Claim CH581.1: Rapid erosion on Mount St. Helens shows Grand Canyon could form suddenly
Claim CD013.1: K-Ar dates of 1986 dacite from Mount St. Helens are very old
Brief responses in the Index to Creationist Claims in the TalkOrigins Archive.
Coal Beds, Creationism, and Mount St. Helens
Brief article by Keith Littleton in the TalkOrigins Archive.
Noah’s Flood - debunked (Part 1)
potholer54 deals with Mount St. Helens in this short video. Uses humour.