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  2. National Register of Historic Places listings in Henry County ...

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

    This is a list of the National Register of Historic Places listings in Henry County, Iowa. ... Mount Pleasant Public Library: May 23, 1983 : 200 N. Main St.

  3. Flint mining - Wikipedia

    en.wikipedia.org/wiki/Flint_mining

    Flint mining is the process of extracting flint from underground. Flint mines can be as simple as a pit on the surface or an area of quarrying, or it may refer to a series of shafts and tunnels used to extract flint. Flint has been mined since the Palaeolithic, but was most common during the Neolithic.

  4. Neolithic flint mines of Spiennes - Wikipedia

    en.wikipedia.org/wiki/Neolithic_flint_mines_of...

    The Mines of Spiennes cover some 100 ha (250 acres) of downland four miles south-east of the city of Mons. The site is dotted with millions of scraps of worked flint and numerous mining pits, that Neolithic settlers have gradually turned into vertical mine shafts to depths of over 10 m (33 ft). Underneath is an elaborate man-made network of ...

  5. List of quarries in the United States - Wikipedia

    en.wikipedia.org/wiki/List_of_quarries_in_the...

    Lynch Quarry Site, North Dakota, NRHP-listed and a U.S. National Historic Landmark, a flint quarry that was "a major source of flint found at archaeological sites across North America, and it has been estimated that the material was mined there from 11,000 B.C. to A.D. 1600."

  6. Scripps News Investigates: Zombie mines, delayed FEMA help ...

    www.aol.com/scripps-news-investigates-zombie...

    Scripps News Investigates: Zombie mines, delayed FEMA help and Flint's ongoing water crisis November 9, 2024 at 5:30 PM A home damaged by a hurricane in Florida.

  7. Camp Harlan-Camp McKean Historic District - Wikipedia

    en.wikipedia.org/wiki/Camp_Harlan-Camp_McKean...

    The Camp Harlan-Camp McKean Historic District, also known as the Hugh B. and Mary H. Swan Farmstead and the Springdale Stock Farm, is a nationally recognized historic district located northwest of Mount Pleasant, Iowa, United States. It was listed on the National Register of Historic Places in 2013. [1]

  8. Abandoned mine at heart of search for woman is becoming unsafe

    www.aol.com/news/abandoned-pennsylvania-mine...

    Pennsylvania State Police Trooper Steve Limani said early Wednesday that the abandoned mine in Unity Township where rescue crews are working to locate 64-year-old Elizabeth Pollard is becoming ...

  9. Mines of Spain State Recreation Area and E. B. Lyons Nature ...

    en.wikipedia.org/wiki/Mines_of_Spain_State...

    The Mines of Spain State Recreation Area and E. B. Lyons Nature Center is a state park in Dubuque County, Iowa, United States. It is near Dubuque , the eleventh-largest city in the state. The park features picnic areas, 15 miles (24 km) of walking/hiking trails, 4 miles (6.4 km) of ski trails, and the Betty Hauptli Bird and Butterfly Garden.