Eureka, Colorado#History

{{Short description|Ghost town in San Juan County, Colorado, United States.}}

{{Use mdy dates|date=July 2023}}

{{Infobox settlement

|name = Eureka

|official_name =

|settlement_type = Mining ghost town

|nickname =

|motto =

|image_skyline = Remains of The Sunnyside Mill at Eureka, Colorado.jpg

|imagesize =

|image_caption = Remains of the Sunnyside Mill in Eureka, in May 2018

|image_flag =

|image_seal =

|pushpin_map = Colorado#USA

|pushpin_label_position =

|pushpin_map_caption = Location within the state of Colorado##Location within the United States

|pushpin_mapsize =

|image_map =

|map_caption = Location within San Juan county

|subdivision_type = Country

|subdivision_name = United States

|subdivision_type1 = State

|subdivision_name1 = Colorado

|subdivision_type2 = County

|subdivision_name2 = San Juan

|government_footnotes =

|government_type =

|leader_title =

|leader_name =

|leader_title1 =

|leader_name1 =

|established_title =

|established_date =

|unit_pref = Imperial

|area_footnotes =

|area_magnitude =

|area_total_km2 =

|area_land_km2 =

|area_water_km2 =

|population_as_of = 2010

|population_footnotes =

|population_total = 0

|population_density_km2 = auto

|timezone = Mountain (MST)

|utc_offset = -7

|timezone_DST = MDT

|utc_offset_DST = -6

|elevation_footnotes =

|elevation_ft = 9863

|coordinates = {{coord|37.8797|-107.5650|type:city_region:US-CO_source:GNIS|name=Eureka|display=inline,title}}

|postal_code_type = ZIP codes

|postal_code =

|area_code =

|blank_name = FIPS code

|blank_info =

|blank1_name = GNIS feature ID

|blank1_info = 187402{{cite gnis|id=187402|name=Eureka, Colorado|accessdate=2008-01-09}}

|website =

|footnotes =

}}

Eureka is an extinct mining town in San Juan County, Colorado, United States, along the Animas River, between Silverton and Animas Forks.[http://www.ghosttowns.com/states/co/eureka.html Eureka History][http://www.narrowgauge.org/ncmap/excur2_silverton_northern_railroad_history.html The Silverton Railroads] The town derives its name from the Greek interjection Eureka!{{cite book|last=Dawson|first=John Frank|title=Place names in Colorado: why 700 communities were so named, 150 of Spanish or Indian origin|url=https://babel.hathitrust.org/cgi/pt?id=mdp.39015051116740;view=1up;seq=26|publisher=The J. Frank Dawson Publishing Co.|location=Denver, CO|page=20}} The Eureka post office operated from August 9, 1875, until April 30, 1942.{{cite book|title=Colorado Post Offices 1859–1989|first1=William H.|last1=Bauer|first2=James L.|last2=Ozment|first3=John H.|last3=Willard|date=1990|publisher=Colorado Railroad Historical Foundation|location=Golden, Colorado|isbn=0-918654-42-4}}