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  3. 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 ...

  4. Timelapse – Google Earth Engine

    Google Earth Engine combines a multi-petabyte catalog of satellite imagery and geospatial datasets with planetary-scale analysis capabilities and makes it available for scientists, researchers, and developers to detect changes, map trends, and quantify differences on the Earth's surface.

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  6. Rocky Mountain spotted fever - Wikipedia

    Rocky Mountain spotted fever (RMSF) is a bacterial disease spread by ticks. It typically begins with a fever and headache , which is followed a few days later with the development of a rash . [3] The rash is generally made up of small spots of bleeding and starts on the wrists and ankles. [10]

    • 2 to 14 days after infection
    • Early: Fever, headache, Later: Rash
  7. Rocky Mountain spotted fever - Symptoms and causes - Mayo Clinic
    • Overview
    • Symptoms
    • Causes
    • Risk Factors
    • Complications
    • Prevention

    Rocky Mountain spotted fever is a bacterial infection transmitted by a tick. Without prompt treatment, Rocky Mountain spotted fever can cause serious damage to internal organs, such as your kidneys and heart.Although it was first identified in the Rocky Mountains, Rocky Mountain spotted fever is most commonly found in the southeastern part of the United States. It also occurs in parts of Canada, Mexico, Central America and South America.Early signs and symptoms of Rocky Mountain spotted fever...

    Although many people become ill within the first week after infection, signs and symptoms may not appear for up to 14 days. Initial signs and symptoms of Rocky Mountain spotted fever often are nonspecific and can mimic those of other illnesses: 1. High fever 2. Chills 3. Severe headache 4. Muscle aches 5. Nausea and vomiting 6. Confusion or other neurological changes

    Rocky Mountain spotted fever is caused by infection with the organism Rickettsia rickettsii. Ticks carrying R. rickettsii are the most common source of infection.If an infected tick attaches itself to your skin and feeds on your blood for six to 10 hours, you may pick up the infection. But you may never see the tick on you.Rocky Mountain spotted fever primarily occurs when ticks are most active and during warm weather when people tend to spend more time outdoors. Rocky Mountain spotted fever...

    Factors that may increase your risk of contracting Rocky Mountain spotted fever include: 1. Living in an area where the disease is common 2. The time of year — infections are more common in the spring and early summer 3. How much time you spend in grassy or wooded areas 4. Whether you have a dog or spend time with dogsIf an infected tick attaches to your skin, you can contract Rocky Mountain spotted fever when you remove it, as fluid from the tick can enter your body through an opening such a...

    Rocky Mountain spotted fever damages the lining of your smallest blood vessels, causing the vessels to leak or form clots. This may cause: 1. Inflammation of the brain (encephalitis). In addition to severe headaches, Rocky Mountain spotted fever can cause inflammation of the brain, which can cause confusion, seizures and delirium. 2. Inflammation of the heart or lungs. Rocky Mountain spotted fever can cause inflammation in areas of the heart and lungs. This can lead to heart failure or lung f...

    You can decrease your chances of contracting Rocky Mountain spotted fever by taking some simple precautions: 1. Wear long pants and sleeves. When walking in wooded or grassy areas, wear shoes, long pants tucked into socks and long-sleeved shirts. Try to stick to trails and avoid walking through low bushes and long grass. 2. Use insect repellents. Products containing DEET (Off! Deep Woods, Repel) often repel ticks. Be sure to follow the instructions on the label. Clothing that has permethrin i...

  8. California Topographic Maps by Topo Zone

    Find California topo maps and topographic map data by clicking on the interactive map or searching for maps by place name and feature type. If you know the county in California where the topographical feature is located, then click on the county in the list above. Every map in the state of California is printable in full color topos.

  9. USGS Topographic Maps of California | UCSB Library
    • Graphical Indexes
    • USGS Topographic Quadrangle Maps of California
    • Online Sites to Freely View CA Topos
    • Other Formats For USGS Topographic Maps

    1. USGS Map Locator 1. Go here for downloads of geoPDF versions of ALL editions of ALL scales of USGS topo maps. 2. See below for lists of paper California USGS topo maps available in MIL. 2. Graphical Locator of California 1. From the Environmental Statistics Group at Montana State University, this map of California will tell you the 7.5' (1:24,000) quadrangle name and other information for any location you click on.

    The lists below describe paper maps that are in the MIL collection. See the links above for access to digital versions. 1. 7.5' (1:24,000) Quadrangles (these are pdf files) 1. Alphabetical list of all editions/dates 2. Northern California quadrangle index map 3. Southern California quadrangle index map 2. 15' (1:62,500 or 1:63,360) (pdf) 3. 30' (1:125,000) (pdf) 4. 6' (1:24,000) Los Angeles County series (pdf) 5. Central Valley Series (1:31,680). Call number: 3852.C4s 31 .U5 6. Santa Ana Rive...

    1. Bay Area historical topographic maps 1. 15' and 30' historic quadrangles from the San Francisco Bay area. 2. Broer Map Library - California USGS Maps 1. Scanned maps from a private collection. No index. 3. California 30- & 60-minute Historic USGS Topographic Maps 1. From UC Berkeley. 4. California Digital Raster Graphics - California Spatial Information Library (CaSIL) 5. CSU Chico Digital Collections -Historic Topographic Map Collection 6. Historic Topographic Maps of California - San Fr...

    1. MIL has a full set of National Geographic Topo! CD-ROMs. (We also have other Western states. Search the catalog with the words \\"national geographic seamless cdrom\\" to see them all.) 2. ArcGIS users can connect to a web mapping server at ESRI to use seamless 1:24,000, 1:100,000, and 1:250,000 topographic maps for the entire country.

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  11. California Antique Maps and Historical Atlases - Historic Map ...

    California Historical Maps and Atlases. The state of California collection contains 576 atlases spanning 414 years of growth and development (1579-84 through 1993).Within the atlases are 9,709 historical maps, illustrations, and histories many of which contain family names ideal for genealogical research.