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To improve our understanding of health and immune function in tortoises, we evaluated both standard blood diagnostic (body condition, hematologic, plasma biochemistry values, trace elements, plasma proteins, vitamin A levels) and gene transcription profiles in 21 adult tortoises (11 clinically abnormal; 10 clinically normal) from Clark County, NV, USA. Necropsy and histology evaluations from clinically abnormal tortoises revealed multiple physiological complications, with moderate to severe rhinitis or pneumonia being the primary cause of morbidity in all but one of the examined animals. Improved methods for health assessments are an important element of monitoring tortoise population recovery and can support the...
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Colemanite deposit near Callville Wash. Looking east along outcrop of colemanite bed, which extends from near center to right side of view. Clark County, Nevada. 1915. Plate 2-B in U.S. Geological Survey. Bulletin 735. 1923.
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Colemanite deposit near Callville Wash. Looking west along outcrop colemanite bed, which extends from center left to ridge near center. Clark County, Nevada. 1915. Plate 2-B in U.S. Geological Survey. Bulletin 735. 1923.
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Goose egg structure in limestone beds associated with colemanite deposit. Near Callville Wash, Clark County, Nevada. 1915. Plate 3-A in U.S. Geological Survey. Bulletin 735. 1923.
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Album caption: Party with the "Smiths" at Griggs Ferry. Enlargement of L.R. Freeman's photo W-3. 1923. Handwritten notes on album caption: Clark County, Nevada; Grand Canyon 409. No index card. See also: grand00408
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Typical exposures of limestone member of Horse Spring formation, near Horse Spring. Limestone member of Horse Springs formation on the left ridge; Overton conglomerate (center); Paleozoic limestone (right) and La Plata sandstone (right center). Clark County, Nevada. 1915. Plate 1-A in U.S. Geological Survey. Bulletin 735. 1923.
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Goose egg structure in limestone beds associated with colemanite deposit. Near Callville Wash, Clark County, Nevada. 1915. Plate 3-B in U.S. Geological Survey. Bulletin 735. 1923.
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Typical exposures of limestone member of Horse Spring formation, near Bitter Spring, limestone member of Horse Springs formation center ridge. Clark County, Nevada. 1915. Plate 1-B in U.S. Geological Survey. Bulletin 735. 1923.
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Figure 93-(a) caption: Geologic training exercise at Boulder City, Nevada on 24 January 1972; (a) Jack Schmitt (l) and Gene Cernan looking over exercise traverse map; NASA AP17-72-H- 126. Published as Figure 093a in USGS Open-File Report 2005-1190. 2005.
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Album caption: Bottle house at Ripley. Clark Co., Nevada. June 1922. Notes on album page: None. Index card: Mansfield, G. R. 598a - Bottle house at Ripley, Clark County, Nevada. 1922. Note: Automobile in background.


    map background search result map search result map Preliminary geologic map of the Mesquite quadrangle, Clark and Lincoln Counties, Nevada and Mohave County, Arizona Bottle house, Clark County, Nevada. 1922. Geologic training exercise. Boulder City, Nevada. 1972. Preliminary geologic map of the Mesquite quadrangle, Clark and Lincoln Counties, Nevada and Mohave County, Arizona Blood variable data for clinically normal and clinically abnormal Mojave Desert tortoises (Gopherus agassizii) in 2013 Party with the "Smiths" at Griggs Ferry, Clark County, Nevada. 1923. Preliminary geologic map of the Mesquite quadrangle, Clark and Lincoln Counties, Nevada and Mohave County, Arizona Preliminary geologic map of the Mesquite quadrangle, Clark and Lincoln Counties, Nevada and Mohave County, Arizona Blood variable data for clinically normal and clinically abnormal Mojave Desert tortoises (Gopherus agassizii) in 2013 Bottle house, Clark County, Nevada. 1922. Party with the "Smiths" at Griggs Ferry, Clark County, Nevada. 1923. Geologic training exercise. Boulder City, Nevada. 1972.