Boulder, Colorado![](https://upload.wikimedia.org/wikipedia/commons/thumb/7/7e/BoulderBearPeak.jpg/280px-BoulderBearPeak.jpg) |
Math | dinas yn yr Unol Daleithiau, tref ddinesig, tref goleg, dinas fawr ![Edit this on Wikidata](https://upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/10px-OOjs_UI_icon_edit-ltr-progressive.svg.png) |
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Poblogaeth | 108,250 ![Edit this on Wikidata](https://upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/10px-OOjs_UI_icon_edit-ltr-progressive.svg.png) |
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Sefydlwyd | - 1858
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Pennaeth llywodraeth | Aaron Brockett ![Edit this on Wikidata](https://upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/10px-OOjs_UI_icon_edit-ltr-progressive.svg.png) |
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Cylchfa amser | UTC−07:00, Cylchfa Amser y Mynyddoedd ![Edit this on Wikidata](https://upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/10px-OOjs_UI_icon_edit-ltr-progressive.svg.png) |
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Gefeilldref/i | Dushanbe, Ramat Negev Regional Council, Yamagata ![Edit this on Wikidata](https://upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/10px-OOjs_UI_icon_edit-ltr-progressive.svg.png) |
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Daearyddiaeth |
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Sir | Boulder County ![Edit this on Wikidata](https://upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/10px-OOjs_UI_icon_edit-ltr-progressive.svg.png) |
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Gwlad | Unol Daleithiau America |
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Arwynebedd | 66.946357 km², 66.520031 km² ![Edit this on Wikidata](https://upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/10px-OOjs_UI_icon_edit-ltr-progressive.svg.png) |
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Uwch y môr | 1,655 metr ![Edit this on Wikidata](https://upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/10px-OOjs_UI_icon_edit-ltr-progressive.svg.png) |
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Cyfesurynnau | 40.0194°N 105.2928°W ![Edit this on Wikidata](https://upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/10px-OOjs_UI_icon_edit-ltr-progressive.svg.png) |
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Pennaeth y Llywodraeth | Aaron Brockett ![Edit this on Wikidata](https://upload.wikimedia.org/wikipedia/commons/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/10px-OOjs_UI_icon_edit-ltr-progressive.svg.png) |
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![Map](https://www.origin-production.wikiwand.com/proxy?url=https%3A%2F%2Fmaps.wikimedia.org%2Fimg%2Fosm-intl%2C8%2C40.0194%2C-105.2928%2C280x250.png%3Flang%3Dcy%26domain%3Dcy.wikipedia.org%26title%3DBoulder%25252C_Colorado%26revid%3D11766030%26groups%3D_b44499d347de0d0edbe34419c0af76d1eb8ca729) |
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Dinas yn nhalaith Colorado, Unol Daleithiau America, sy'n ddinas sirol Boulder County, yw Boulder. Mae gan Boulder boblogaeth o 97,385.[1] ac mae ei harwynebedd yn 65.7 km².[2] Cafodd ei ymgorffori yn y flwyddyn 1871.