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Since the early 20th century, the same
Calistoga-based family has maintained and operated the forest. The forest was bought by Ollie Orre Bockee, from M.C. Meeker, around 1912, for a total cost of $ 14,000. Bockee continued to purchase surrounding land and acquired a total of 845 acres (342 ha).
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Many of the petrified trees in the forest have nicknames, including "The Queen", which is 8 feet wide and 65 feet long. The Queen was 2,000 years old when the volcano erupted. Additional trees include "The Pit Tree" and "The Giant". There are a cluster of trees named after Ollie Orre Bockee and a
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caused the trees to become petrified in a process that took thousands of years to complete. Diane Erwin, from the
University of California, Berkeley, stated in 2012 that the petrified forest shows that redwood trees were once located further inland, unlike their contemporary descendants that are
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Bockee opened the property to tourists around 1914 and charged 50 cents per person (equivalent to $ 16 in 2023). When Bockee died in 1950, her sister became the owner of the property, and Bockee's direct descendants maintain it today. It was listed on the
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primarily coastal. The
Palynological Society calls the forest "one of the finest examples in the world of an ancient forest."
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list on
January 31, 1978. In 2012, the family started to send fossilized
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350:. Office of Historic Preservation, California State Parks
198:. It is the only petrified forest in California from the
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A historic photograph of the entrance of the forest
411:"Calistoga's Petrified Forest: science not scares"
317:"Scientists study ancient Petrified Forest pollen"
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236:, who determined that the petrified trees were
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215:Approximately 3.4 million years ago, a
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443:. Diablo Publications. Archived from
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372:"BETTER UNDERSTANDING ANCIENT FOREST"
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232:The forest was discovered in 1870 by
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246:genus. There is also one petrified
30:"The Giant" at the Petrified Forest
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495:Parks in Sonoma County, California
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279:University of California, Berkeley
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515:Fossil parks in the United States
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505:California Historical Landmarks
271:California Historical Landmarks
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142:California Historical Landmark
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376:Santa Rosa Press Democrat
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257:The Silverado Squatters
103:845 acres (342 ha)
437:"The Petrified Forest"
252:Robert Louis Stevenson
84:38.55639°N 122.63944°W
417:. Hearst Publications
321:Welcome to Napa Valle
234:Othniel Charles Marsh
55:Calistoga, California
441:Napa Sonoma Magazine
89:38.55639; -122.63944
239:Sequoia langsdorfii
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348:"Petrified Forest"
211:Geological history
165:Reference no.
500:Petrified forests
447:on 19 August 2014
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51:Nearest city
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510:Eocene volcanism
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221:Mount St. Helena
188:petrified forest
184:Petrified Forest
160:January 31, 1978
152:Petrified Forest
131:Petrified Forest
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449:. Retrieved
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378:. 2013-12-22
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228:19th century
219:eruption at
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190:located in
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75:122°38′22″W
62:Coordinates
489:Categories
382:2021-10-05
354:2014-08-18
289:References
157:Designated
111:Year round
72:38°33′23″N
451:19 August
421:19 August
327:19 August
248:pine tree
242:from the
194:, in the
260:(1883).
200:Pliocene
40:Location
244:Sequoia
217:volcano
206:History
415:SFGate
275:pollen
116:Status
264:Today
186:is a
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423:2014
329:2014
182:The
119:Open
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100:Area
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