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historicalmarkerproject/markers/HM1D16_mima-mounds-a-special-prairie_Olympia-WA.html
What Makes a PrairieGrasslands thrive where dry soil and frequent drought or fires limit or exclude trees and shurbs. The soils and climate in each of North America's grasslands support a unique mix of native grasses, flowers, and other plants.
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historicalmarkerproject/markers/HM1D15_scientists-still-search-for-an-answer_Olympia-WA.html
More than 30 explanation have been proposed for the origin of the Mima Mounds, but none has been proven.
Were the Mounds Created by Glacial Ice?In 1913 glacial geologist J Harlan Bretz completed the first detailed study of the Mima Mounds. Bret…
historicalmarkerproject/markers/HM1D14_what-we-know-for-sure_Olympia-WA.html
The Mima Mounds were formed some time after ice age glaciers began receding 16,500 years ago. Their origin has puzzled scientists and curious visitors since the mid-1800s. Research has revealed what we know so far about the glacial history of this…
historicalmarkerproject/markers/HM1D0V_mima-mounds-the-mysterious-work-of-nature_Olympia-WA.html
Early Encounters, Early HypothesesThe Mima Mounds intrigues travelers and explorers in the 1800s as described in their journal entries.
MAY 20, 1841Charles Wilkes, commander of the United States Exploring Expedition from 1838 to 1842, thought t…
historicalmarkerproject/markers/HM1CXZ_the-palisades-are-clues-to-the-past_Randle-WA.html
The rock before you is a clue to a geologic mystery. Between 110,000 and 20,000 years ago, a volcano erupted about nine miles away. Dacite lava flowed here and stopped, forming an unusually deep pool. Geologists don't know for sure what blocked th…
historicalmarkerproject/markers/HM1CXY_traveling-over-the-cascades-past-and-present_Randle-WA.html
Before Euro-Americans arrived, Native people crossed the mountains on rugged trails to visit relatives, trade with other tribes, and gather food for winter. Later, prospectors, sheepherders, settlers and early Forest Service rangers used the same …
historicalmarkerproject/markers/HM1CUF_the-story-of-kloochman-rock_Naches-WA.html
Kloochman Rock is a volcanic "intrusion" composed of what is called a "pyroxene-rich andesite." Intrusions are created when molten volcanic material is pushed up into a fissure or crack where it cools and hardens. Andesite is a relatively hard fin…
historicalmarkerproject/markers/HM1CU1_here-stood-fort-nez-perce_Touchet-WA.html
Here Stood Fort Nez PerceAlso CalledFort Walla WallaFur Trading Post ofHudson's Bay Company1818 — 1856
historicalmarkerproject/markers/HM1CB1_inspired-to-preserve_Packwood-WA.html
Since the early 1900s people have parked at this site to get an exceptional view of Mount Rainier. The park road was designed to harmonize with the landscape and take advantage of spectacular vistas like this one.
The surrounding scenery has t…
historicalmarkerproject/markers/HM1CB0_changing-course_Ashford-WA.html
Not long ago, the waters of Kautz Creek filled this creek bed. Today only a small stream flows here. Kautz Creek has moved.
Along with record rainfall, early November 2006 brought debris flows to several areas of the park. Not far from here, on…