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  2. Geology of Pennsylvania - Wikipedia

    en.wikipedia.org/wiki/Geology_of_Pennsylvania

    Rocks that characterize this region include: limestone, dolomite, slate, shale, sandstone, siltstone, and some scattered basalt. Almost all of the rocks in the Great Valley in Pennsylvania are Ordovician in age and were deposited during a quiet period before the Taconic orogeny. The limestones and dolomites of this area are extensively quarried ...

  3. List of mapped rock formations in Pennsylvania - Wikipedia

    en.wikipedia.org/wiki/List_of_mapped_rock...

    The following is a list of the mapped bedrock units in Pennsylvania. The rocks are listed in stratigraphic order. [1] System Group name Formation name Member name Map ...

  4. List of Pennsylvania state forest natural areas - Wikipedia

    en.wikipedia.org/wiki/List_of_Pennsylvania_state...

    They are managed by the Pennsylvania Bureau of Forestry, a division of the Pennsylvania Department of Conservation and Natural Resources. The Commonwealth describes a natural area as a location with "scenic, historic, geologic or ecological significance, which will remain in an undisturbed state, with development and maintenance being limited ...

  5. List of U.S. state minerals, rocks, stones and gemstones

    en.wikipedia.org/wiki/List_of_U.S._state...

    ^ Florida's state gem, moonstone, was adopted to highlight Florida's role in the United States' Lunar program, which landed the first astronauts on the Moon. [81] ^ Since 1983, Massachusetts has had 3 other official state rocks: State Historical Rock (Plymouth Rock), State Explorer Rock (Dighton Rock), and State Building and Monument Stone . In ...

  6. Onondaga Limestone - Wikipedia

    en.wikipedia.org/wiki/Onondaga_Limestone

    These rocks continue northwestwards under Lake Huron, and reappear in the northern part of the southern peninsula of Michigan, north of Alpina [3] (as shown in the map on the right). To the west, its equivalent, the Detroit River Group, [ 4 ] outcrops near Detroit and Windsor just north of the Lake Erie shoreline (as shown in the map on the right).

  7. List of Pennsylvania state forest wild areas - Wikipedia

    en.wikipedia.org/wiki/List_of_Pennsylvania_state...

    Wykoff Run in Quehanna Wild Area, the largest such protected area in Pennsylvania. The Commonwealth of Pennsylvania in the United States includes 18 wild areas in its State Forest system. [1] They are managed by the Pennsylvania Bureau of Forestry, a division of the Pennsylvania Department of Conservation and Natural Resources.

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  9. List of Pennsylvania state parks - Wikipedia

    en.wikipedia.org/wiki/List_of_Pennsylvania_state...

    Admission to all Pennsylvania state parks is free, although there are fees charged for use of cabins, marinas, etc. Pennsylvania's state parks offer "over 7,000 family campsites, 286 cabins, nearly 30,000 picnic tables, 56 major recreational lakes, 10 marinas, 61 beaches for swimming, 17 swimming pools" and over 1,000 miles (1,600 km) of trails.

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