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is one of the many principal east-west lines that correspond to four tiers of townships (two tiers north and two south). The base lines are about 24 miles (39 km) apart, with the first base line at the
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forms the boundary between the second and third tiers of counties and in many portions, discontinuous segments of road along the baseline are known as "
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Many communities in the United States have roads that run along survey baselines, many of which are named to reflect that fact. Some examples:
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Baseline Road in
Hillsboro, Oregon, generally follows the Willamette Baseline which intersects the Willamette Meridian at the
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126:(GNSS) surveying, a baseline is the line between two GNSS receivers to determine the 3D coordinate difference.
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is generally a line between two points on the Earth's surface and the direction and/or distance between them.
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In
Ontario, a baseline forms a straight line parallel a geographical feature (mostly a lake, especially
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Note: This is a large file, approximately 46MB. Searchable PDF prepared by the author, C. A. White.
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This BLM map depicts the principal meridians and baselines used in the survey of the United States.
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Many prominent
Ontario baselines lie on the surveyed boundaries of land treaties signed with
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Resources page of the U.S. Department of the
Interior, Bureau of Land Management
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In
Southern California, from Highland to San Dimas, the baseline is marked by
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needs to be measured to calculate the size of the triangles by trigonometry.
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List of principal and guide meridians and base lines of the United States
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This article is about the usage in surveying. For other uses, see
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More specifically a baseline may be the line that divides a
23:"Standard parallel" redirects here. Not to be confused with
480:"ROAD NAME SPELLING UPDATE-BASE LINE ROAD TO BASELINE ROAD"
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524:"Augustus Jones determined present-day county boundaries"
152:, for the land survey. For example, the baseline for
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Baseline and was formerly known as "Baseline Road."
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160:is shared as the border for both states, at the
195:follows the baseline used by surveyors of the
146:(north-south line) at the point of origin, or
378:follows the original survey route marked by
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338:peoples. For example, several baselines in
115:network, at least one distance between two
80:Learn how and when to remove this message
458:History of the Rectangular Survey System
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43:This article includes a list of general
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307:. It is, therefore equivalent to the
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448:The Principal Meridian Project (US)
25:Standard parallel (map projections)
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251:In Michigan, the baseline for the
124:Global Navigation Satellite System
49:it lacks sufficient corresponding
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522:Stephen Thorning (1 Feb 1995).
478:County of Placer (2017-11-22).
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294:In Canadian land surveying, a
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358:) follow the borders of the
329:concession road and sideline
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276:Willamette Stone State Park
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384:Between the Lakes Purchase
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396:Public Land Survey System
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171:between north and south.
136:Public Land Survey System
18:Baseline (disambiguation)
237:metro area is marked by
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364:Six Nations confederacy
64:more precise citations.
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528:Wellington Advertiser
331:system in use today.
134:In the United States
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409:Dominion Land Survey
283:Roseville California
267:area runs along the
502:Grand River Country
370:which runs through
162:40th parallel north
425:Principal meridian
362:land grant to the
311:in the US system.
281:Base Line Road in
197:Louisiana Purchase
144:principal meridian
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498:"Haldimand Tract"
420:Decumanus Maximus
372:Wellington County
352:Brant-Oxford Road
309:standard parallel
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415:Survey township
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340:Waterloo Region
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253:Michigan Survey
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175:"Baseline Road"
169:survey township
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531:. Retrieved
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344:Brant County
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321:Lake Ontario
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122:In relative
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356:Indian Line
348:Wilmot Line
346:(including
261:8 Mile Road
185:Little Rock
62:introducing
465:References
382:after the
214:marks the
45:references
437:(Germany)
386:in 1792.
325:Lake Erie
296:base line
226:counties.
102:surveying
70:June 2010
549:Category
411:(Canada)
390:See also
269:Michigan
204:Colorado
189:Arkansas
154:Nebraska
140:parallel
117:stations
106:baseline
315:Ontario
265:Detroit
263:in the
235:Phoenix
231:Arizona
212:Boulder
58:improve
533:8 July
507:8 July
354:, and
290:Canada
158:Kansas
47:, but
220:Adams
111:In a
535:2019
509:2019
374:and
342:and
259:."
224:Weld
222:and
156:and
104:, a
323:or
229:In
210:in
202:In
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Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
