'Rock snot' prompts Missouri to consider ban on felt-soled boots

Sunday, October 24, 2010 | 8:32 p.m. CDT; updated 7:50 a.m. CDT, Tuesday, October 4, 2011

COLUMBIA — An invasive goo dubbed "rock snot" that is encroaching on southern Missouri’s cool-water streams has prompted consideration of a ban on felt-soled boots in state waters.

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