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potato beetle

(Encyclopedia) potato beetle, name for two beetles of the leaf beetle family and for two of the blister beetle family, all destructive to the potato plant and its relatives. Most notorious is the…

Geology of the Grand Canyon: Weathering.

CORRASION.WEATHERING.The work of corrasion is limited to the cutting of narrow gashes in the strata, and the grinding up of the fragments brought into the river channels. The widening of…

Park Range

(Encyclopedia) Park Range, part of the Rocky Mts., central Colo. and S Wyo., extending N from the Colorado River. Mt. Lincoln (14,284 ft/4,354 m) is the highest peak.

Census Maps of Colorado

Colorado: Persons per square mile, 2000 Colorado: White persons, percent, 2000 Colorado: Population, percent change, 1990 to 2000 Colorado: American Indian and Alaska Native persons, percent,…

Colorado Census Data

Colorado Atlas People QuickFacts Colorado USA Population, 2005 estimate 4,665,177 296,410,404 Population, percent change, April 1, 2000 to July 1, 2005 8.4%2 5.3…

Colorado Economic Statistics

NumberPercentEMPLOYMENT STATUSPopulation 16 years and over3,325,197100.0In labor force2,331,89870.1Civilian labor force2,304,45469.3Employed2,205,19466.3Unemployed99,2603.0Percent of civilian…

Colorado Housing Statistics

NumberPercentTotal housing units1,808,037100.0UNITS IN STRUCTURE1-unit, detached1,122,33162.11-unit, attached114,4106.32 units37,4292.13 or 4 units68,0873.85 to 9 units83,0434.610 to 19…

Colorado Social Statistics

NumberPercentSCHOOL ENROLLMENTPopulation 3 years and over enrolled in school1,166,004100.0Nursery school, preschool79,0646.8Kindergarten61,7495.3Elementary school (grades 1-8)503,11943.1High…

Colorado Area Codes

Area codes Selected cities303, 720Denver, Boulder719Colorado Springs, Pueblo970Aspen, Fort CollinsSource: North American Numbering Plan Administration. Web: www.nanpa.com . To find phone numbers,…

Colorado: Temperature Extremes

MonthMaximum°FYearPlaceMinimum°FYearPlaceJan.841916Las Animas–601979MaybellFeb.901904Blaine–611985MaybellMarch961909Holly–461943ColumbineApril1001992Las Animas–351891BreckenridgeMay1072000La…