State Unemployment Insurance (SUI): Report quarterly wages and contributions by filing Form UCT-6 (Employer's Quarterly Tax Report) and Form UCT-6 (Employer's Quarterly Tax Report) by last day of month following end of quarter: To file online click here. Wage base is $7,000 for 2017. Rates range from 0.10% to 5.40% in 2017.
The four pocket gopher species found in Colorado are distributed almost entirely in different areas (Figure 1), possibly because of different ecological requirements or competition. Plains pocket gophers (Geomys bursarius) are abundant in sandy and silty soils of the plains but are not abundant in compacted soils.
Desert tortoise. The desert tortoises (Gopherus agassizii and Gopherus morafkai) are two species of tortoise native to the Mojave and Sonoran Deserts of the southwestern United States and northwestern Mexico and the Sinaloan thornscrub of northwestern Mexico.