| http://www.w3.org/ns/prov#value | - According to yet another article by Allen (???The Catlin Gabel Lava Tubes of West Portland, Oregon: Remnants of a Plio-Pleistocene Cave System??? http://www.vulcanospeleology.org/sym03/ISV3x06.pdf), the system is the oldest found in Oregon and is probably (just probably) completely caved in??? First, there???s a lava flow running next to (and under) the Sunset Highway?
|
