Dr. Know: All Sinked Up

What’s with all the sinkholes lately?

Dr. Know
I can’t help noticing there have been an awful lot of sinkholes opening in the ground lately. Are we under attack from some malevolent, subterranean menace? How long before the Earth swallows us   More
Wednesday, May 2, 2012 MARTY SMITH

Northgate Park is Being Swallowed by the Earth

Well, not exactly. But a 20-by-30-foot sinkhole has turned up on a soccer field at Northgate Park in north Portland, prompting Portland Parks and Recreation to close the field and surround the sinkhole in fencing while the department investigates the sinkhole's cause. Parks officials say the sinkhole's edges are only one foot deep, but that the center of the sinkhole is as much as 15-20 feet ...   More
Monday, November 30, 2009 JONATHAN CROWL


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