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Sep 15, 2022 · Rocky Mountain spotted fever (RMSF) is a life-threatening tick-borne disease documented in North, Central, and South America. In California, RMSF is rare; nonetheless, recent fatal cases highlight ecological cycles of the two genera of ticks, Dermacentor and Rhipicephalus, known to transmit the disease. These ticks occur in completely different ...
Oct 26, 2018 · Epidemiology. Geographic range: RMSF is one of several diseases reported under the category “Spotted fever rickettsiosis (SFR).”. SFR are reported in each of the lower 48 states, but more than 60% of the cases are reported out of five states (North Carolina, Oklahoma, Arkansas, Tennessee, and Missouri). Peak transmission: Although cases are ...
USGS Topographic Quadrangle Maps of California. The lists below describe paper maps that are in the collection. See the links above for access to digital versions. Central Valley Series (1:31,680). Call number: 3852.C4s 31 .U5. Santa Ana River Area Series (1:31,680). Call number: 3852.S84s 32 .U5.
Dec 8, 2023 · An outbreak of the tickborne disease Rocky Mountain spotted fever has caused at least five illnesses, including three deaths, in the US since July, the US Centers for Disease Control and ...
Jan 27, 2019 · 5 years ago. Anthony Watts. Here is an interesting interactive graphic that depicts perimeters of more than 100 years of California wildfires recorded by Cal Fire and the U.S. Geological Survey. The map below shows all the cumulative fires from 1878 to 2018. It seems as if there is very little of California that has not been touched by wildfire.
Jan 22, 2024 · FEMA maintains and updates data through flood maps and risk assessments. Flood maps show how likely it is for an area to flood. Any place with a 1% chance or higher chance of experiencing a flood each year is considered to have a high risk. Those areas have at least a one-in-four chance of flooding during a 30-year mortgage.
Distant view of Hong Kong harbor In the 1840s, the news circled the globe: There was gold in California, and fortunes could be made by anyone who seized the opportunity. Within weeks, dreamers from far and wide came streaming into America's port cities, hoping to stake a claim and strike it rich. China was not immune to this new gold fever. Word of a mountain of gold across the ocean arrived ...
