Easy Gill, poison oak grows on trees :)
On Tue, Oct 22, 2013 at 11:05 PM, Gill Edigar <gi...@att.net> wrote: > I've never had anybody successfully identify the difference between poison > ivy and poison oak for me. They look the same to my eyes. > --Ediger > > > On Tue, Oct 22, 2013 at 6:15 PM, <dirt...@comcast.net> wrote: > >> >> Poison-ivy and Karst >> >> How cave related can you get?? (I'll do everything I can to get this >> site back on track) >> >> I grew up in New York and was terribly allergic to poison ivy as a >> youngster. Like, someone burned some brush with the vines in the pile, a >> half-mile away. Good Lord, was I ever in an awful itchy situation after >> the smoke passed over me ------. Fortunately my lungs did not react. >> >> When I started to do karst and geological things in upstate NY, I >> discovered two things: >> >> 1. To see the bedrock I had to crawl on my belly like a snake up stream >> beds. >> >> 2. I could map the limestone without ever seeing it, just by mapping >> where the lush poison ivy grew. (THAT is the Karst tie-in) >> >> After I came West, I could more easily see Rocks and I gradually lost my >> extreme reaction. But I learned what George cautioned: Immunity is lost >> by repeated exposure. >> >> Then I moved to Texas and discovered Poison Oak. It makes TREES going up >> the cliffs with trunks as big around as Bob Oakley's thighs around springs >> in the Big Bend. ESPECIALLY in what is now Big Bend Ranch State Park. >> >> >> >> >> >> >
