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  2. History of water supply and sanitation - Wikipedia

    en.wikipedia.org/wiki/History_of_water_supply...

    The first closed sewer constructed in Paris was designed by Hugues Aubird in 1370 on Rue Montmartre (Montmartre Street) and was 300 metres (980 ft) long. The original purpose of designing and constructing a closed sewer in Paris was less-so for waste management as much as it was to hold back the stench coming from the odorous waste water. [69]

  3. File:1815 map of Ohio by Bourne & Hough r.jpg - Wikipedia

    en.wikipedia.org/wiki/File:1815_map_of_Ohio_by...

    The first map of Ohio to show all the actual surveys within the inhabited part of the state. A rare and early large map of Ohio. County boundaries tinted in color. Townships clearly shown. An extensive key is included detailing land ownership history and some land use. Northwest portion of state not surveyed but shows swamplands and plains.

  4. History of Ohio - Wikipedia

    en.wikipedia.org/wiki/History_of_Ohio

    [130] [131] A 2016 study on immigrants in Ohio concluded that immigrants make up 6.7% of all entrepreneurs in Ohio although they are just 4.2% of Ohio's population, and that these immigrant-owned businesses generated almost $532 million in 2014. The study also showed that "immigrants in Ohio earned $15.6 billion in 2014 and contributed $4.4 ...

  5. National Register of Historic Places listings in Athens ...

    en.wikipedia.org/wiki/National_Register_of...

    This is intended to be a complete list of the properties and districts on the National Register of Historic Places in Athens County, Ohio, United States. The locations of National Register properties and districts for which the latitude and longitude coordinates are included below, may be seen in an online map. [1]

  6. Category:Ohio maps - Wikipedia

    en.wikipedia.org/wiki/Category:Ohio_maps

    This page is part of Wikipedia's repository of public domain and freely usable images, such as photographs, videos, maps, diagrams, drawings, screenshots, and equations. . Please do not list images which are only usable under the doctrine of fair use, images whose license restricts copying or distribution to non-commercial use only, or otherwise non-free images

  7. National Register of Historic Places listings in Warren ...

    en.wikipedia.org/wiki/National_Register_of...

    Location of Warren County in Ohio. This is intended to be a complete list of the properties and districts on the National Register of Historic Places in Warren County, Ohio, United States. The locations of National Register properties and districts for which the latitude and longitude coordinates are included below, may be seen in an online map ...

  8. National Register of Historic Places listings in Richland ...

    en.wikipedia.org/wiki/National_Register_of...

    Location of Richland County in Ohio. This is intended to be a complete list of the properties and districts on the National Register of Historic Places in Richland County, Ohio, United States. The locations of National Register properties and districts for which the latitude and longitude coordinates are included below, may be seen in an online ...

  9. Miami and Erie Canal Deep Cut - Wikipedia

    en.wikipedia.org/wiki/Miami_and_Erie_Canal_Deep_Cut

    The Miami and Erie Canal Deep Cut is a well-preserved long section of the Miami and Erie Canal near Spencerville in western Ohio.The 6,600-foot (2,000 m) segment represents one of the major construction efforts of the canal; in order to avoid using locks to go over a ridge, the canal was dug deeply into it, far more than the 5-foot (1.5 m) depth of the canal itself.