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  1. 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.

  2. Pennsylvania Historical Maps and Atlases - Historic Map Works

    www.historicmapworks.com/.../State.php?c=US&s=Pennsylvania

    Pennsylvania Historical Maps and Atlases. The state of Pennsylvania collection contains 654 atlases spanning 326 years of growth and development (1681 through 2007).Within the atlases are 24,371 historical maps, illustrations, and histories many of which contain family names ideal for genealogical research.

  3. Historical Topographic Maps - Preserving the Past

    www.usgs.gov/core-science-systems/ngp/topo-maps/...

    The goal of The National Map’s Historical Topographic Map Collection (HTMC) is to provide a digital repository of USGS 1:250,000 scale and larger maps printed between 1884, the inception of the topographic mapping program, and 2006.

  4. Welcome to Historical Maps of Pennsylvania, showing images of the region and state from the 16th to the 21st century. Pennsylvania was founded in 1681, after a petition to the King of England from William Penn.

  5. Historical Maps of Pennsylvania

    www.worldmapsonline.com/historical-maps/us...

    Historical Maps of Pennsylvania. Panoramic maps of American cities and towns, often called bird’s-eye views or perspective maps, offer a glimpse into the life of a town or city that is “frozen-in-time”, capturing the town as it appeared from an elevated perspective, and often listing prominent businesses and residents.

  6. Historical Maps - Maps & Geospatial: Pennsylvania Maps ...

    guides.libraries.psu.edu/c.php?g=340067&p=2288984

    Dec 18, 2019 · This project includes recommended Pennsylvania historic maps and geospatial datasets from a period of 1800 to present organized by thematic categories of geographic names, landmarks, transportation, hydrography, municipal boundaries, land ownership, elevation, land use/land cover, and remote sensing. <<

    • Heather Ross
    • 2015
  7. Maps - phmc.pa.gov

    www.phmc.pa.gov/.../Research-Online/Pages/Maps.aspx

    Historical Maps of Pennsylvania - A website containing many maps not found at the State Archives. Incorporation Dates of PA Municipalities, 1965; Maps of Pennsylvania's Historic Suburbs; Mine Map Atlas - A website of the PA Department of Environmental Protection and Penn State University covering anthracite and bituminous coal fields.

  8. Discover the past of Pennsylvania through State maps in our online collection of old historical maps that span over 250 years of growth. View Pennsylvania Maps such such as historical county boundaries changes, old vintage maps, as well as road / highway maps for all 67 counties in Pennsylvania.

  9. PA State Archives - MG-11 - County Maps - Main Interface

    www.phmc.state.pa.us/bah/dam/mg/di/m011/CountyMaps...

    Links to Pennsylvania county maps dating from the 1850s through the 1870s are included below. The maps on this page were specifically chosen because they depict a plethora of surface and subterranean features, such as businesses, churches, mineral deposits, mountains, roads, rivers, and schools.

  10. State and County Maps of Pennsylvania

    www.mapofus.org/pennsylvania

    Maps of Pennsylvania are generally an important area of genealogy and family history research, notably in case you live faraway from where your ancestor lived. Because Pennsylvania political boundaries sometimes changed, historic maps are important in helping you find out the precise specific location of your ancestor’s hometown, what land ...