Meriwether Lewis of Lewis and Clark

Medical aspects of the Lewis and Clark expedition.

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Charting a Dataspace: Lessons from Lewis and Clark

Expression of Lewis(x), sialylated Lewis(x), Lewis(a), and sialylated Lewis(a) antigens in human lung carcinoma.

One hundred and five cases of various human lung neoplasms were studied immunohistochemically using monoclonal antibodies recognizing the antigens, Le(x), sialylated Le(x) (SLEX), Le(a), and sialylated Le(a) (SLEA). Of the 92 lung cancers examined for antigen expression SLEX was detected in 57% (52 cases), Le(x) in 42% (39), SLEA in 36% (33), and Le(a) in 23% (21). None of these antigens were e...

Wildlife Encounters by Lewis and Clark: A Spatial Analysis of Interactions between Native Americans and Wildlife

H reference conditions are often used as a baseline for comparison with current and future natural resource management regimes (Aronson et al. 1995). There may be much debate about which point in time, what area, and what spatial extent should be used as a reference condition (Wagner et al. 2000), but understanding the past is undeniably important to the proper management of present and future ...

Enhanced stage and stage variability on the lower Missouri River benchmarked by Lewis and Clark

Data from the 1803–1806 Lewis and Clark expedition and nineteenth century stage records are used to quantitatively benchmark natural, premanagement hydrology of the lower Missouri River and assess the magnitude and timing of hydrologic change over nearly two centuries. Data show doubling in daily stage variability from the nineteenth century to 2005. Annual maximum stages have, at some sites, b...