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Re: Perspective- Basin - and other things (fwd)
- To: noelle
- Subject: Re: Perspective- Basin - and other things (fwd)
- From: robert <http://dummy.us.eu.org/robert>
- Date: Wed, 04 Aug 2010 08:37:08 -0700
- Keywords: spambayes
Is the film mentioned the documentary that you wanted to see? Or, is that
different?
> From: Noelle <http://dummy.us.eu.org/noelleg>
> Date: Wed, 4 Aug 2010 08:23:12 -0700 (PDT)
>
> ---------- Forwarded message ----------
> Date: Wed, 4 Aug 2010 07:51:47 -0700
> From: Michael Ellis <http://www.footlooseforays.com/~mjellis>
> To: Michael Ellis <http://www.footlooseforays.com/~mjellis>
> Subject: Perspective- Basin - and other things
>
> > Subject: Perspective- Basin - and other things
> >
> > August 4, 2010
> >
> > Dear folks:
> >
> > I just returned from two weeks in the northern Sierra Nevada - a glorious
> > part of the world to celebrate in mid-summer. The wildflowers were peaking
> > and so were the mosquitoesâ??they were a bit late this year due to the late
> > winter snow melt. Lucky me.
> >
> > The following Perspective will air on KQED, San Francisco's NPR station at
> > 88.5, this Friday, August 6. Which just happens to be my birthday. You can
> > listen at 6:06am, 7:35am and 11:30pm and sometimes repeated on the weekends
> > at 7:36am and 8:36am. Of course it can be listened to in the archive section
> > of the website after Friday.
> >
> >> Here is a link to the Perspective homepage
> >> http://www.kqed.org/radio/programs/perspectives/index.jsp.
> >
> > *****************
> >
> > and as usual I am sending along a few interesting links that others have
> > sent me.
> > The 2,053 Explosions: Every Nuclear Bomb 1945 - 1998
> >
> > This video, by artist Isao Hashimoto, charts every nuclear detonation from
> > the US tests in 1945 to the modern era. Even if you're versed in history, it
> > still offers a perspective that's tough to entirely grasp in numbers alone.
> > It's a good place to understand the importance of the Test Ban Treaty -- and
> > the threat of both proliferation and the thousands of nuclear weapons still
> > held at full readiness by the US and Russia..
> > http://www.youtube.com/watch?v=I9lquok4Pdk
> >
> > This astonishing site came up on darkroastedblend.
> > http://www.shorpy.com/dorothea-lange-photographs It is wonderful and amazing.
> >
> > Be sure to view full size. Also wonderful shots by Ansel Adams of Manzanar
> >
> > ******************************************************************************
> > *****************************
> >
> > Perspective
> >
> > The Great Basin
> >
> > By Michael Ellis
> >
> > The word, basin, has many different meanings here in the West. The rivers of
> > the Eastern US erode mountains, carving valleys through which water flows to
> > major river systems and then on to the ocean, but in much of the western US
> > the underlying geology has created a different scenario. For the last 20
> > million years there has been significant stretching and thinning of the
> > Earthâ??s crust here. As the crust thins, mountain chains are uplifted and
> > the
> > valleys between them drop. Many of us have driven across Nevada on Highway
> > 50. The road goes up one mountain and drops into a valley over and over
> > again. Geologists refer to these mountains as Horsts, German for eagleâ??s
> > nest. And the valleys are grabens, German for ditch. Most of Nevada and
> > parts of Ca, Oregon, Idaho, and Arizona is known as the Basin and
> > Range Province.
> >
> > The last great-unexplored chunk of American territory was that huge piece
> > between the Rocky Mountains and the Sierra Nevada, south of the Columbia
> > River and north of New Mexico. In 1842 Col. John Fremont was sent by the US
> > government to map that terrain. There was a persistent myth of the
> > Buenaventura River, which was said to flow from the Rocky Mountains to the
> > Pacific Ocean. This of course would be a convenient way for immigrants to
> > get Ca. As Fremont searched for this critical passageway he found
> > that every single creek and river flowed into an interior drainage. He
> > explored both the Great Salt Lake and the Humboldt sink in Nevada. He soon
> > realized that not only was there no major river but not one flowed into the
> > ocean so he named this huge region the Great Basin.
> >
> > The largest desert in the United States is the Great Basin Desert. This
> > desert is defined by high elevation, very cold winters, relatively mild
> > summers, precipitation mostly in the winter and finally by the indicator
> > plantâ??the Great Basin Sagebrush a.k.a. Artemisia tridentata.
> >
> > So we have three overlapping uses of basin. The Basin and Range Province is
> > geologic, the Great Basin is hydrologic and finally the Great Basin Desert is
> >
> > the botanical.
> >
> > This is Michael Ellis with a Perspective.
> >
> >> South shore of Mono Lake tufa towers- a dropped valley (graben)
> >>
> >> View from Wheeler Peak, Nevada. The 2nd highest mountain in the Basin and
> >> Range province at 13,064 feet.
> >
> >> Great Basin Sagebrush (Artemisia tridentata) among other shrubs outside Ely,
> >>
> >> Nevada mine tailings