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184:, would burn the flat lands of the valley to promote the growth of grasslands. This annual activity promoted easier hunting and seed gathering among other benefits. It also kept much of the land on the valley floor un-forested. By the 1830s diseases decimated the native populations in the region, including the Tualatin Plains. In the 1830s the
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was drawn from it, the remainder became
Twality County in 1845, and Washington County in 1849. At that time Portland was still part of the county, and agricultural goods from the Plains were transported there to be sold. This led to the building of a plank road between the Plains and Portland, known
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formed in 1843, the Plains were part of the
Twality District that was composed of the northwest section of the region, including what would become
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Native
Americans were the first inhabitants the area, subsisting as a hunter-gather society. The Atfalati band, like many of the tribes in the
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would join Forest Grove and
Hillsboro on the Tualatin Plains. In the 1950s growth of an electronics industry focused on
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Later years saw increased settlement and eventual urbanization over much of the landscape. Communities such as
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211:. The school was soon moved to West Tualatin Plains (now Forest Grove) where in 1847 Clark was joined by
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In 1840, former mountain men of the fur trade settled on the north section of the plains. These included
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settled on the east plains, naming the settlement
Columbus, which would eventually become Hillsboro.
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Oregon
History Project: Subtopic: Sawn Lumber and Greek Temples: 1850-1870: Town Beginnings.
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started a missionary school in 1841 just north of East
Tualatin Plains, now
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group of Native
Americans. Euro-American settlement began in the 1840s.
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used some of these fire‐cleared areas to raise crops for use at
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160:. They are bounded on the north and east by the foothills of
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Oregon
Historical Society. Retrieved on February 11, 2008.
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would create the foundation for what is known as the
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In 1844, some of these early pioneers established a
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16:Region in Oregon, United States
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116:are a prairie area in central
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42:The plains south of Hillsboro
359:Dictionary of Oregon History
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170:Northern Oregon Coast Range
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331:Washington County Museum
67:45.51056°N 122.98861°W
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128:. Located around the
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321:The Tualatin Plains.
186:Hudson's Bay Company
172:define their limit.
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182:Willamette Valley
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234:. When the
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299:References
228:West Union
217:David Hill
55:45°30′38″N
388:Watershed
272:Tektronix
268:Cornelius
264:Reedville
260:Beaverton
209:Hillsboro
148:Geography
130:Hillsboro
413:Prairies
324:Archived
282:See also
242:. After
240:Portland
142:Kalapuya
138:Atfalati
176:History
83:Country
266:, and
224:church
122:Oregon
101:Region
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