Park County, Colorado — Information Updated: Feb 8, 2010
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Formed from: portions of Colorado Territory lands [an original county]. Established: 11-Jan-1861 |
County Seat: Fairplay, Colorado
County history
- Park County is named for South Park, a high intermontane grassland basin, approximately 10,000 ft (3,000 m) in elevation, in the Rocky Mountains of central Colorado, which occupies most of the county.
|  Park Courthouse
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GHLL Park County Package:
- American History & Genealogy Project (None found online at the time of this update.)
- Cemetery Listings - may include photos, records, name lists, etc..
- Cities/Towns/Townships - compiled by Wikipedia
- Genealogy Forum - Park County, CO Genealogy Forum (Genealogy.com)
- Society/Museum/Assn - (South Park City Museum / Fairplay, CO)

- US/COGenWeb site - Park County Archives
- US/COGenWeb - Park County Genealogy & History
- Vital Records - Park County Clerk, P.O. Box 220, Fairplay, CO 80440-0220.
Note: Birth and death records are generally recorded only by the state, but there are some exceptions for births from 1948 to the present. Marriage records, local patented mining claims, real estate transfers, and legal documents related to the operation of the county are recorded with the county.
Additional Local History/Genealogy:
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Phillips County, Colorado — Information Updated: Oct 26, 2009
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Formed from: portions of Logan County, 03-27-1889. Established: 27-Mar-1889 |
County Seat: Holyoke, Colorado
County history
- Phillips County is named in honor of R. O. Phillips, who was Secretary of the Lincoln Land Company, which laid out a number of the towns in eastern Colorado.
|  Phillips Courthouse
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- Phillips County - American History & Genealogy Project (None found online at the time of this update.)
- Phillips County - Cities/Towns/Townships: From Wikipedia
- Phillips County - Genealogical/Historical Society (Phillips County Historical Society & Museum / Holyoke, CO)

- Phillips County - US/COGenWeb site: (Archives)
- Phillips County - US/COGenWeb site: Genealogy & History
- Phillips County - Genealogy Forum (Genealogy.com)
Additional Local History/Genealogy:
- Phillips County Cemeteries - Listings (county & cemetery); may include photos, records, name lists, etc..
- Phillips County Vital Records - Phillips County Clerk, 221 South Interocean Avenue, Holyoke, CO 80734-1534.
Note: Birth and death records are generally recorded only by the state, but there are some exceptions for births from 1948 to the present. Marriage records, local patented mining claims, real estate transfers, and legal documents related to the operation of the county are recorded with the county.
Census Information:
- 1900 Census (I) and (T) - Federal Census Phillips County, Colorado; ED 190 (Index: 3 pgs / Text: 4 files)
- 1910 Census (T) - Federal Census Phillips County, Colorado (ED 253: 4 pgs / ED 254: 7 pgs / ED 255: 8 pgs)
- 1920 Census (T) - Federal Census Phillips County, Colorado (ED 210: 6 pgs / ED 211: 12 pgs / ED 212: 5 pgs / ED 213: 14 pgs)
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Pueblo County, Colorado — Information Updated: Sep 30, 2011
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Formed from: portions of lands of the Territory of Colorado, [one of 17 original Counties]. Established: 01-Nov-1861 |
County Seat: Pueblo, Colorado
County history
- Pueblo County is named in honor of the historic city of Pueblo which took its name from the Spanish language word meaning "town" or "village".
|  Pueblo Courthouse
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GHLL Pueblo County Package:
- American History & Genealogy Project - Pueblo County AHGP
- Cemetery Listings - may include photos, records, name lists, etc..
- Cities/Towns/Townships - compiled by Wikipedia
- Genealogy Forum - Pueblo County, CO Genealogy Forum (Genealogy.com)
- Society/Museum/Assn - (Pueblo County Historical Society / Pueblo, CO)

- US/COGenWeb site - Pueblo County Archives
- US/COGenWeb - Pueblo County Genealogy & History
- Vital Records - Pueblo County Health Department, 151 Central Main, Pueblo, CO 81003.
Note: Birth and death records are generally recorded only by the state, but there are some exceptions for births from 1948 to the present. Marriage records, local patented mining claims, real estate transfers, and legal documents related to the operation of the county are recorded with the county.
Additional Local History/Genealogy:
Adjacent counties (GHLL listings): El Paso County (north), Lincoln County (northeast), Crowley County (east), Otero County (east), Las Animas County (south), Huerfano County (southwest), Custer County (west), Fremont County (northwest).
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Rio Blanco County, Colorado — Information Updated: Aug 2, 2010
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Formed from: portions of Summit County. Established: 25-Mar-1899 |
County Seat: Meeker, Colorado
County history
- Rio Blanco County is named for the Rio Blanco River, which in English, translates as "White River", the present nomenclature.
|  Rio Blanco Courthouse
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GHLL Rio Blanco County Package:
- American History & Genealogy Project (None found online at the time of this update.)
- Cemetery Listings - may include photos, records, name lists, etc..
- Cities/Towns/Townships - compiled by Wikipedia
- Genealogy Forum - Rio Blanco County, CO Genealogy Forum (Genealogy.com)
- Society/Museum/Assn - (Rio Blanco County Historical Society & Museum/ Meeker, CO)

- US/COGenWeb site - Rio Blanco County Archives
- US/COGenWeb - Rio Blanco County Genealogy & History
- Rio Blanco County Vital Records - Rio Blanco County Clerk, address, P.O. Box 1150, Meeker, CO 81641.
Note: Birth and death records are generally recorded only by the state, but there are some exceptions for births from 1948 to the present. Marriage records, local patented mining claims, real estate transfers, and legal documents related to the operation of the county are recorded with the county.
Additional Local History/Genealogy:
Adjacent counties (GHLL listings): Moffat County (north), Routt County (northeast & east), Garfield County (south), Uintah County, Utah (west).
Census Information:
1900 Census (T) - Federal Census, Rio Blanco County, ED-113 & ED-114 (Text: 2 pages).
1910 Census (T) - Federal Census, Rio Blanco County, ED-126 (Text: 2 pages).
1920 Census (T) - Federal Census, Rio Blanco County, ED-141 to ED-145 (Text: 5 folders, 20 pages).
1930 Census (T) - Federal Census, Rio Blanco County, ED-052 (Text: 21 folders).
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Rio Grande County, Colorado — Information Updated: Apr 25, 2010
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Formed from: portions of Conejos and Costilla Counties. Established: 10-Feb-1874 |
County Seat: Del Norte, Colorado
County history
- Rio Grande County is named for the Rio Grande River (Spanish language for "Big River"), which flows through the area.
|  Rio Grande Courthouse
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- Rio Grande County - American History & Genealogy Project (None found online at the time of this update.)
- Rio Grande County - Cities/Towns/Townships: From Wikipedia
- Rio Grande County - Genealogical/Historical Society (None found online at the time of this update.)
- Rio Grande County - US/COGenWeb site: (Archives)
- Rio Grande County - US/COGenWeb site: Genealogy & History
- Rio Grande County - Genealogy Forum (Genealogy.com)
Additional Local History/Genealogy:
- Rio Grande County Cemeteries - Listings (county & cemetery); may include photos, records, name lists, etc..
- Rio Grande County Vital Records - Rio Grande County Clerk, 1035 Park Avenue, P.O. Box 530, Monte Vista, CO 81144.
Note: Birth and death records are generally recorded only by the state, but there are some exceptions for births from 1948 to the present. Marriage records, local patented mining claims, real estate transfers, and legal documents related to the operation of the county are recorded with the county.
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Routt County, Colorado — Information Updated: Apr 24, 2011
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Formed from: portions of Grand County. Established: 29-Jan-1877 |
County Seat: Steamboat Springs, Colorado
County history
- Routt County is named in honor of John Long Routt (April 25, 1826 - August 13, 1907) was a U.S. Republican political figure. Born in Eddyville, Kentucky, he served as the first and seventh Governor of Colorado from 1876 to 1879 and 1891 to 1893. He also served as Mayor of Denver, Colorado from 1883 to 1885. He died in Denver, Colorado.
|  Routt Courthouse
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GHLL Routt County Package:
- American History & Genealogy Project (None found online at the time of this update.)
- Cemetery Listings - may include photos, records, name lists, etc..
- Cities/Towns/Townships - compiled by Wikipedia
- Genealogy Forum - Routt County, CO Genealogy Forum (Genealogy.com)
- Society/Museum/Assn - (None found online at the time of this update.)
- US/COGenWeb site - Routt County Archives
- US/COGenWeb - Routt County Genealogy & History
- Vital Records - Routt County Clerk, 522 Lincoln Avenue, P.O. Box 773598, Steamboat Springs, CO 80477.
Note: Birth and death records are generally recorded only by the state, but there are some exceptions for births from 1948 to the present. Marriage records, local patented mining claims, real estate transfers, and legal documents related to the operation of the county are recorded with the county.
Additional Local History/Genealogy:
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San Juan County, Colorado — Information Updated: May 10, 2010
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Formed from: portions of La Plata and Lake Counties. Established: 31-Jan-1876 |
County Seat: Silverton, Colorado
County history
- San Juan County is named for the San Juan River and San Juan Mountains, which in turn were named for Saint John the Evangelist.
|  San Juan Courthouse
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- San Juan County - American History & Genealogy Project (None found online at the time of this update.)
- San Juan County - Cities/Towns/Townships: From Wikipedia
- San Juan County - Genealogical/Historical Society (San Juan County Historical Society / Silverton, CO)

- San Juan County - US/COGenWeb site: (Archives)
- San Juan County - US/COGenWeb site: Genealogy & History
- San Juan County - Genealogy Forum (Genealogy.com)
Additional Local History/Genealogy:
- San Juan County Cemeteries - Listings (county & cemetery); may include photos, records, name lists, etc..
- San Juan County Vital Records - San Juan County Clerk, P.O. Box 466, 1557 Greene Street, Silverton, CO 81433.
Note: Birth and death records are generally recorded only by the state, but there are some exceptions for births from 1948 to the present. Marriage records, local patented mining claims, real estate transfers, and legal documents related to the operation of the county are recorded with the county.
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San Miguel County, Colorado — Information Updated: May 8, 2010
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Formed from: portions of Ouray County. Established: 02-Mar-1883 |
County Seat: Telluride, Colorado
County history
- San Miguel County is named for the San Miguel River and San Miguel Mountains, which in turn were named for Saint Michael the Archangel.
|  San Miguel Courthouse
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- San Miguel County - American History & Genealogy Project (None found online at the time of this update.)
- San Miguel County - Cities/Towns/Townships: From Wikipedia
- San Miguel County - Genealogical/Historical Society (None found online at the time of this update.)
- San Miguel County - US/COGenWeb site: (Archives)
- San Miguel County - US/COGenWeb site: Genealogy & History
- San Miguel County - Genealogy Forum (Genealogy.com)
Additional Local History/Genealogy:
- San Miguel County Cemeteries - Listings (county & cemetery); may include photos, records, name lists, etc..
- San Miguel County Vital Records - San Miguel County Clerk, County Courthouse, P.O. Box 548, 305 W. Colorado Ave, Telluride, CO 81435.
Note: Birth and death records are generally recorded only by the state, but there are some exceptions for births from 1948 to the present. Marriage records, local patented mining claims, real estate transfers, and legal documents related to the operation of the county are recorded with the county.
- San Miguel County - a COGenWeb site
- Society/Museum/Assn - (Telluride Historical Museum / Telluride, CO)

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Sedgwick County, Colorado — Information Updated: May 5, 2011
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Formed from: portions of Logan County. Established: 09-Apr-1889 |
County Seat: Julesburg, Colorado
County history
- Sedgwick County is named for Fort Sedgwick, which in turn, was named for John Sedgwick (September 13, 1813 - May 9, 1864) who was a teacher, a career military officer, and a Union Army general in the American Civil War. His death at the Battle of Spotsylvania Court House is often considered a well known tale of irony.
|  Sedgwick Courthouse
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GHLL Sedgwick County Package:
- American History & Genealogy Project (None found online at the time of this update.)
- Cemetery Listings - may include photos, records, name lists, etc..
- Cities/Towns/Townships - compiled by Wikipedia
- Genealogy Forum - Sedgwick County, CO Genealogy Forum (Genealogy.com)
- Society/Museum/Assn - (Sedgwick County Genealogical Society / Julesburg, CO)

- US/COGenWeb site - Sedgwick County Archives
- US/COGenWeb - Sedgwick County Genealogy & History
- Vital Records - Sedgwick County Clerk, P.O. Box 3, Julesburg, CO 80737-0003.
Note: Birth and death records are generally recorded only by the state, but there are some exceptions for births from 1948 to the present. Marriage records, local patented mining claims, real estate transfers, and legal documents related to the operation of the county are recorded with the county.
Additional Local History/Genealogy:
Adjacent counties (GHLL listings): Deuel County, Nebraska (north), Perkins County, Nebraska (east), Phillips County (south), Logan County (west), Cheyenne County, Nebraska (northwest).
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Summit County, Colorado — Information Updated: May 6, 2010
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Formed from: portions of Colorado Territory lands[an original County. Established: 01-Nov-1861 |
County Seat: Breckenridge, Colorado
County history
- Summit County is named for the many high mountain summits in the area.
|  Summit Courthouse
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- Summit County - American History & Genealogy Project (None found online at the time of this update.)
- Summit County - Cities/Towns/Townships: From Wikipedia
- Summit County - Genealogical/Historical Society (Summit County Historical Society / Breckenridge, CO)

- Summit County - US/COGenWeb site: (Archives)
- Summit County - US/COGenWeb site: Genealogy & History
- Summit County - Genealogy Forum (Genealogy.com)
Additional Local History/Genealogy:
- Summit County Cemeteries - Listings (county & cemetery); may include photos, records, name lists, etc..
- Summit County Vital Records - Summit County Clerk & Recorder, P.O. Box 1538, 208 E. Lincoln Ave, Breckenridge, CO 80424.
Note: Birth and death records are generally recorded only by the state, but there are some exceptions for births from 1948 to the present. Marriage records, local patented mining claims, real estate transfers, and legal documents related to the operation of the county are recorded with the county.
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Teller County, Colorado — Information Updated: Mar 31, 2011
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Formed from: portions of El Paso and Fremont Counties. Established: 23-Mar-1899 |
County Seat: Cripple Creek, Colorado
County history
- Teller County is named in honor of Henry Moore Teller, a U.S. Senator from Colorado and United States Secretary of the Interior.
|  Teller Courthouse
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GHLL Teller County Package:
- American History & Genealogy Project (None found online at the time of this update.)
- Cemetery Listings - may include photos, records, name lists, etc..
- Cities/Towns/Townships - compiled by Wikipedia
- Genealogy Forum - Teller County, CO Genealogy Forum (Genealogy.com)
- Society/Museum/Assn - (Pikes Peak Historical Society and Museum / Florissant, CO)

- Society/Museum/Assn - (Ute Pass Historical Society / Woodland Park, CO)

- US/COGenWeb site - Teller County Archives
- US/COGenWeb - Teller County Genealogy & History
- Vital Records - Teller County Clerk & Recorder, 101 W. Bennett Ave., P.O. Box 1010, Cripple Creek, CO 80813.
Note: Birth and death records are generally recorded only by the state, but there are some exceptions for births from 1948 to the present. Marriage records, local patented mining claims, real estate transfers, and legal documents related to the operation of the county are recorded with the county.
Additional Local History/Genealogy:
Census Information:
1900 Census (I) and (T) - Federal Census, Teller County (Index: 1 page / Partial: 1 page / Text: 5 pages).
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Washington County, Colorado — Information Updated: May 6, 2010
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Formed from: portions of Weld and Arapahoe Counties. Established: 09-Feb-1887 |
County Seat: Akron, Colorado
County history
- Washington County is named in honor of George Washington, the first President of the United States.
|  Washington Courthouse
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- Washington County - American History & Genealogy Project (None found online at the time of this update.)
- Washington County - Cities/Towns/Townships: From Wikipedia
- Washington County - Genealogical/Historical Society (None found online at the time of this update.)
- Washington County - US/COGenWeb site: (Archives)
- Washington County - US/COGenWeb site: Genealogy & History
- Washington County - Genealogy Forum (Genealogy.com)
Additional Local History/Genealogy:
- Washington County Cemeteries - Listings (county & cemetery); may include photos, records, name lists, etc..
- Washington County Vital Records - Washington County Clerk, 150 Ash, Akron, CO 80720-1510.
Note: Birth and death records are generally recorded only by the state, but there are some exceptions for births from 1948 to the present. Marriage records, local patented mining claims, real estate transfers, and legal documents related to the operation of the county are recorded with the county.
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Weld County, Colorado — Information Updated: Aug 27, 2012
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Formed from: portions of Nebraska, Kansas, New Mexico and Utah Territories. [an original County]. Established: 01-Nov-1861 |
County Seat: Greeley, Colorado
County history
- Weld County is named in honor of Lewis Ledyard Weld, the first Secretary of the Territory of Colorado.
|  Weld Courthouse
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GHLL Weld County Package:
- American History & Genealogy Project - Weld County AHGP
- Cemetery Listings - may include photos, records, name lists, etc..
- Cities/Towns/Townships - compiled by Wikipedia
- Genealogy Forum - Weld County, CO Genealogy Forum (Genealogy.com)
- Society/Museum/Assn - (Weld County Genealogical Society / Greeley, CO)

- Society/Museum/Assn - (Johnstown Historical Society & Museum / Johnstown, CO)

- US/COGenWeb site - Weld County Archives
- US/COGenWeb - Weld County Genealogy & History
- Vital Records - Weld County Health Department, 1555 N. 17th Avenue, Greeley, CO 80631-3811.
Note: Birth and death records are generally recorded only by the state, but there are some exceptions for births from 1948 to the present. Marriage records, local patented mining claims, real estate transfers, and legal documents related to the operation of the county are recorded with the county.
Additional Local History/Genealogy:
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Yuma County, Colorado — Information Updated: Jul 17, 2011
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Formed from: portions of Washington & Arapahoe Counties Established: 15-Mar-1889 |
County Seat: Wray, Colorado
County history
- Yuma County was named for the town, which was named for a local railroad switch as well as the North American Indian people, the Quechan (Yuma) Nation of Native Americans of Arizona and adjacent Mexico and California.
|  Yuma Courthouse
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GHLL Yuma County Package:
- American History & Genealogy Project (None found online at the time of this update.)
- Cemetery Listings - may include photos, records, name lists, etc..
- Cities/Towns/Townships - compiled by Wikipedia
- Genealogy Forum - Yuma County, CO Genealogy Forum (Genealogy.com)
Yuma Area Genealogical Society  P.O. Box 454 Yuma, CO 80759
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- US/COGenWeb site - Yuma County Archives
- US/COGenWeb - Yuma County Genealogy & History
- Vital Records - Yuma County Health Department, 221 South Main, Wray, CO 80759.
Note: Birth and death records are generally recorded only by the state, but there are some exceptions for births from 1948 to the present. Marriage records, local patented mining claims, real estate transfers, and legal documents related to the operation of the county are recorded with the county.
Additional Local History/Genealogy:
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