South  Lake  Tahoe

By  Keith  Dennis-­‐Taylor  

History  of    South  Lake  Tahoe  

• South  Lake  Tahoe  came  into  existence  by  a  normal  fault  in  which  created  the  Carson  Range  to  the  east  and  the  Sierra  Nevada  to  the  west.  

• Two  principal  steps  evolved:  1.  The  eastern  margin  created  the  Carson  Range,  2.while  the  Sierra  Nevada  mountains  rose  on  the  west  side.  

• Moraines,  which  are  glacial  debris  that  were  leJ  behind  during  the  last  ice  age,  created  the  present-­‐day  Truckee  River  at  Tahoe  City.

 

The  first’s  of  Lake  Tahoe

• Two  million  years  ago,  Lake  Tahoe  was  created  by  a  shiJ  in  a  tectonic  plate  and  by  Volcanic  acNvity.  

• The  first  visitor's  to  Lake  Tahoe  were  members  of  the  Indian  tribes.  

• The  first  recording  of  wriNng  was  done  by  John  C.  Fremont  in  February  1884.  

• Lake  Tahoe  was  part  of  the  region  of    gold  rush

What  is  Lake  Tahoe  Like  Today?

• One  million  years  ago,  during  the  Cenozoic  Era  glaciers  formed  The  Lake  Tahoe  we  see  today.

• The  Lakes  that    were  created  in  Lake  Tahoe  include:  Emerald  bay,  Cascade  Lake,  Fallen  Leaf  Lake,  and  Echo  Lakes.  

• The  Tahoe  basin  was  beginning  to  take  shape.  

21st  Century,  Lake  Tahoe

• The  populaNon  of  Lake  Tahoe  is  about  21,286  residents  (2012)

• Lake  Tahoe  is  the  second  deppest  lake  in  The  United  States

• Lake  Tahoe  has  a  populaNon  of  23,000  people• Lake  Tahoe  is  a  big  tourist  a`racNon  for  people  all  over  the  world.  

Igneous-Granite Igneous Grantee is one of the rock that is most common in South Lake Tahoe.

You can find this rock deep inside the earth’s crust.

It contains processing crystals that slowly cools the rock.

Igneous Basalt • This type of rock is thick.

• It is basically fined grained that contains microscopic crystals.

• This rock is a volcanic type rock

• Surfaced by Water, and can be found by Fallen Leaf Lake. (Michaelsen, 2012)

Metamorphic Rock

• This type of rock, can be found at spooner summit.

• This is the highest peak in South Lake Tahoe

• Can be found anywhere in South Lake Tahoe

• This type of Rock is also common in the South Lake Tahoe area.

• This type of Rock can be found at Mt. Talc

• Sedimentary Rock can be softer than the metamorphic rock.

• The sedimentary rock is easier to find in South Lake Tahoe.

Sedimentary Rock

Jeffrey Pine

This type of species of Pine trees i the most common in South Lake Tahoe. One of its most common ancestors is the Ponderosa pine.This species is the dominant species in Lake Tahoe.The most common place to find this type of tree is at the top of Heavenly. (MacRae, 2009)

The Evolution of Jeffery Pine

This tree first came to the Lake Tahoe area during the Devonian Period. Almost, 400 million years ago th.is tree has evolved over timeDiscovery of the Pine was done by a Scottish explorer in 1852 in Shasta Valley, CA.(Macrae, 2012)

Manzanita Arctostaphylos

There are over 100 species of Manzanita Arctostaphylos.

The Manzanita Arctostaphylos is the most common types of species in Lake Tahoe

They can also be found else where in North America.

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Evolution of the Arctostaphylos

This species came to us during the Mesozoic Era, and during the Cretaceous Period, about 150 million years ago.

It is believed that the common ancestor of the Arctostaphylos is gymnosperms, their fossils records are not that clear so the ancestry is unknown.

This type of species can be found in New Mexico, and other places out side of the United States.

The Brown Bear of Lake Tahoe

• The South Lake Tahoe Brown Bear is the most common type of Bear in Lake Tahoe.

• The South Lake Tahoe Brown Bear can be found in the forest of Lake Tahoe.

• The Brown Bear is a native to Lake Tahoe.

• The Bear is about 500 pounds and can weigh more

The Bear EvolutionThe Brown Bear has been around for million of years.

Bears like to Hibernate during the winter time.

The Bear came on the planet about 200 million years ago.

The Bear, is one of the most hunted animals on the planet.

Reference Page

• 1. Michaelsen, J. (1992, September 22). Sierra Nevada. Retrieved from http://www.geog.ucsb.edu/~joel/g148_f09/readings/sierra_nevada/sierra_nevada.html

• 2. The Lake Tahoe Basin | Lake Tahoe Vacation Guide. (n.d.). Retrieved from http://www.tahoevacationguide.com/laketahoe.html

• 3.MacRae , T. C. (2009, March 2). Trees of Lake Tahoe – The Pines | Beetles In The Bush. Retrieved from http://beetlesinthebush.wordpress.com/2009/03/28/trees-of-lake-tahoe-the-pines/

• 4. Lake Tahoe Fast Facts. (n.d.). Retrieved from http://www.tahoefund.org/about-tahoe/recreational-paradise/

• 5. Facts about Lake Tahoe. (n.d.). Retrieved from http://tahoe.usgs.gov/facts.html

Referance Page Continued

• 6.Lake Tahoe Basin Mgt Unit - Home. (n.d.). Retrieved from http://www.fs.usda.gov/detail/ltbmu/home/?cid=fsm9_046595