Rocky Mountain spotted fever (RMSF) has been a nationally notifiable condition since the 1920s. As of January 1, 2010, cases of RMSF are reported under a new category called Spotted Fever Rickettsiosis (SFR). This category captures cases of RMSF, Rickettsia parkeri rickettsiosis, Pacific Coast tick fever, and rickettsialpox.
The term mountain fever is apparently a catch-all term referred to in many western histories. One histori- cal writer, George Stewart, speaks of this condition as "that vague disease called 'mountain fever,' which seems to have meant any fever you had when you were in the mountains."l Additionally, Dr. Ralph T. Richards, in his
This map shows the average incidence of reported Valley fever per 100,000 people, by county, during 2011–2017. 8 The rates in counties with fewer than five reported Valley fever cases, indicated by cross-hatching, might not be reliable. On this map, cases of Valley fever are classified according to people’s county of residence, which may ...
DOC Maps: California Geology The California Department of Conservation is home to the California Geological Survey (CGS). In April 1860 the California Legislature established the Geological Survey of California that has evolved during its 150 years of service, and several name changes, into today’s modern California Geological Survey (CGS).
In 2009, USGS began the release of a new generation of topographic maps (US Topo) in electronic form, and in 2011, complemented them with the release of high-resolution scans of more than 178,000 historical topographic maps of the United States.
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Old maps of California on Old Maps Online. Discover the past of California on historical maps.
Old Historical Atlas Maps of California. This Historical California Map Collection are from original copies. Most historical maps of California were published in atlases and spans over 150 years of growth for the state. Some California maps years have cities, railroads, P.O. locations, township outlines, and other features useful to the ...
Jan 24, 2014 · "Map of the mining district of California" (1850) Made two years into the Gold Rush, this map provides simple markings that indicate not only where the gold is, but where the Native Americans can ...
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