Journal Article Population Changes and Social Behavior Following Colonization by the Yellow-Bellied Marmot Get access Kenneth B. Armitage Kenneth B. Armitage Department of Biology, The University of Kansas, Lawrence, 66045 Search for other works by this author on: Oxford Academic Google Scholar Jour

Durante el verano y otoño de 1967, se realizaron levantamientos magnéticos de intensidad vertical en dos áreas adyacentes al pozo Rocky Mountain Arsenal Num. 1, localizado al NE de la ciudad de Denver, Condado de Adams, en el Estado de Colorado. Se dio a estos levantamientos el nombre de Arca Manila

Redrock Lake is situated at 3,095 m in the subalpine zone on the east flank of the Front Range, Boulder County, Colorado. The lake lies on Pinedale moraine, and it contains 170 cm of organic sediments that overlie 10 cm of silty clay. The oldest of seven 14C dates from the organic sediment is 9,490

Precambrian metamorphic and igneous rocks, Paleozoic sedimentary rocks, and Tertiary igneous and sedimentary rocks crop out in the northern Sangre de Cristo Range. Miocene (?) age normal faults, Late Cretaceous or Early Tertiary thrust faults, and Paleozoic (?) reverse faults have displaced Precambr

Interim guidelines are provided to aid the forest manager in developing alternatives to clearcutting in old-growth spruce-fir forests in Colorado and southern Wyoming. Included are partial cutting practices for different stand conditions and windfall and insect susceptibility that should maintain co