Thrifty-Sorb

Marilyn Pekasky faeden4444@sbcglobal.net
Mon, 05 Jan 2009 19:19:11 PST
And because Crater Lake is a National Park it is ILLEGAL to collect even one little pebble of pumice there no matter how much is in the Park.




________________________________
From: "totototo@telus.net" <totototo@telus.net>
To: Pacific Bulb Society <pbs@lists.ibiblio.org>
Sent: Monday, January 5, 2009 7:07:54 PM
Subject: Re: [pbs] Thrifty-Sorb

On 5 Jan 2009, at 18:25, Justin Smith wrote:

> I wanted to change to pumice but that was not available here so i got some
> lava rock from Lowe's and crushed it up into smaller pieces. 

The lava rock that's widely sold as a garden top dressing is nothing like real 
pumice. Pumice is porous, solidified rock foam, and quite water retentive, 
whereas the lava rock isn't water retentive to any great degree.

This charming fact means that you can plan next summer's vacation now: plan on 
visiting Crater Lake in southern Oregon. The access road along Annie Creek to 
the Rim Drive climbs to the caldera rim over enormous deposits of pumice, and 
along US Highway 97 which runs up the east flank of the Cascades, NE of Crater 
Lake you go for miles through drift, banks, and hills of pumice thrown out by 
Mt. Mazama when she lost her temper some 6000-7000 years ago.



-- 
Rodger Whitlock
Victoria, British Columbia, Canada
Maritime Zone 8, a cool Mediterranean climate
on beautiful Vancouver Island

http://maps.google.ca/maps/…

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