Human Beings have known about, visited, or lived near the Great Sand Dunes for a long, long time. The oldest evidence of humans in the area dates back about 11,000 years. Some of the first people to enter the San Luis Valley and the Great Sand Dunes were nomadic hunters and gatherers ...
Merk, G. P., 1960, Great sand dunes of Colorado, in Rocky Mtn. Assoc. Geologists Guide to the geology of Colorado: Denver, p. 127-129.Merk, G.P., 1960. Great Sand Dunes of Colorado. In: Weimer, R.J., and Haun, J.D. (Eds.), Guide to the Geology of Colorado. Geological ...
Visitors can go hiking on the dunes and several nature trails, observe and photograph flora, and picnic. Medano Creek, which flows at the base of the dunes during spring and early summer, allows for sand castle building, hiking, and even fishing. A picnic area at the base of the dunes h...
The dunes of Great Sand Dunes National Monument appear darker than beach sand because magnetite, darker and heavier than most minerals, remains on the surface. Because magnetite usually indicates the presence of gold, prospectors in the early 1900s tried mining the dunes for "flour gold" but fo...
Great Sand Dunes National Park & Preserve Great Sandy Desert Great Schism, the Great Schooner Race Great Seal State Park Great Slave Lake Great Smoky Mountains National Park Great Snipe great soil group Great Soviet Encyclopedia Great Stour Great Swamp National Wildlife Refuge Great Tit great tower...
Geology of the Great Basin Discusses the damage caused by the wireworm pest, its life history, natural enemies, and methods of its control through chemical or non-chemical means. B Fiero - University of Nevada Press 被引量: 190发表: 1986年 On the origin and age of the Great Sand Dunes,...
Highstand transport of coastal sand to the deep ocean: a case study from Fraser Island, southeast Australia. Geology 36, 15–18 (2008). Article Google Scholar K'gari (Fraser Island) (UNESCO, 1992); https://whc.unesco.org/en/list/630/ Patton, N. R., Ellerton, D. & Shulmeister, ...
Digital Data from the Great Sand Dunes and Poncha Springs Aeromagnetic Surveys, South Central Colorado This report contains digital data, image files, and text files describing data formats and survey procedures for two high-resolution aeromagnetic surveys i... BJ Drenth,VJS Grauch,V Bankey - 《...
- 《Geology》 被引量: 48发表: 1993年 Lime-mud layers in high-energy tidal channels: A record of hurricane deposition. Studies lime-mud beds exposed in the throughs of submarine oolite dunes and ripples observed in the northern part of the Great Bahama Bank after the passag... Shinn,...
Great Sand Dunes PP S Colo. 1932 149,028 (60,335) Large, high sand dunes in the Sangre de Cristo Mts. Great Smoky Mountains NP N.C., Tenn. 1926 522,427 (211,509) Wild, beautiful area in the Great Smoky Mountains. Greenbelt Park PO W central Md. 1950 1,175 (476) Woodland park...