Alexander & Company Furnace, Clarion Co.,
          See: Prospect Furnace (ca.1844/45-1862), Clarion Co.
Alexander & McElroy Company Furnace, Clarion Co.,
          See: Prospect Furnace (ca.1844/45-1862), Clarion Co.
Alexander & McIlroy Company Furnace, Clarion Co.,
          See: Prospect Furnace (ca.1844/45-1862), Clarion Co.
Barber & Packer Company Furnace, Clarion Co.
          See: Helen Furnace (ca.1845-1857), Clarion Co.
Beaver Furnace (ca.1835-1854), Clarion Co.
Black,
          Jacob:  See: Shippensville Furnace, Clarion Co., PA
                      See also: Shippen & Black Company
          See: Black & Maxwell Company
Black & Maxwell Company,
          See: Tippecanoe Furnace, Clarion Co., PA
Black Fox Furnace (ca.1844-1858), Clarion Co.
          See also: Pittsburgh Iron Works, Allegheny Co.
Black's Furnace, Clarion Co.
          See: Mary Ann Furnace (ca.1844-1851), Clarion Co.
                 Shippenville Furnace (ca.1832-1859), Clarion Co.
Blacks Furnace, Clarion Co.
          See: Shippenville Furnace (ca.1832-1859), Clarion Co.
Brown, John P.
          See: Corsica Furnace (Mount Pleasant Furnace), Clarion Co., PA
Brown's Furnace, Clarion Co.
          See: Mount Pleasant Furnace (ca.1847-1861), Clarion Co.
Buchanan & Reynolds Company,
          See: Lucinda Furnace, Clarion Co., PA
Buchanan Furnace (ca.1842/44-1858), Clarion Co.
          See also: Jefferson Furnace, Clarion Co.
Canoe Creek, Clarion Co., PA
          See: Eagle Furnace, Clarion Co., PA
Canoe Furnace, Clarion Co.
          See: Tippecanoe Furnace, Clarion Co.
Carrs Furnace, Clarion Co.
          See: Cocheco Furnace (ca.1844-1865), Clarion Co.
Catfish Furnace (ca.1846-1856), Clarion Co.
Clarion Furnace (ca.1828-1852), Clarion Co.
Clinton Furnace (ca.1841-1858), Clarion Co.
Cocheco Furnace (ca.1844-1865), Clarion Co.
Collinsburg Furnace, Clarion Co.
          See: Prospect Furnace (ca.1844/45-1862), Clarion Co.
Corsica Furnace (ca.1849-1861), Clarion Co.
          See: Mount Pleasant Furnace, Clarion Co.
Crary's Furnace, Clarion Co.
          See: Buchanan Furnace (ca.1842/44-1858), Clarion Co.
Curlsville, Clarion Co., PA
          See: Martha (Polk) Furnace, Clarion Co., PA
Deer Creek, Clarion Co., PA
          See:  Deer Creek Furnace, Clarion Co., PA
                   Elk Furnace, Clarion Co., PA
Deer Creek Furnace (ca.1844-1851), Clarion Co.
Eagle Furnace (ca.1846-1859), Clarion Co.
Elk Furnace (ca.1842-1855), Clarion Co.
Faber,
          See: Faber & Company
                 Hemlock Furnace, Clarion Co., PA
Faber & Company Furnace, Clarion Co.,
          See: Hemlock Furnace (ca.1845-1865), Clarion Co.
Fetzer's Furnace, Clarion Co.
          See: Elk Furnace  (ca.1842-1855), Clarion Co.
Fetzer & McGuire Company Furnace, Clarion Co.,
          See: Hemlock Furnace (ca.1845-1865), Clarion Co.
Fitzhugh & McGuire Company Furnace, Clarion Co.,
          See: Hemlock Furnace (ca.1845-1865), Clarion Co.
Fitzhugh's Furnace, Clarion Co.
          See: Elk Furnace  (ca.1842-1855), Clarion Co.
Flick & Lawson Company Furnace, Clarion Co.
          See: Wildcat Furnace, Clarion Co.
Franklin Furnace (ca.1843-1863), Clarion Co.
          See: Wildcat Furnace, Clarion Co.
Fulton's Furnace, Clarion Co.
          See: Monroe Furnace, Clarion Co.
Hasson's Furnace, Clarion Co.
          See: Deer Creek Furnace (ca.1844-1851), Clarion Co.
Heeland Furnace, Clarion Co.
          See: Helen Furnace (ca.1845-1857), Clarion Co.
Heelen Furnace, Clarion Co.
          See: Helen Furnace (ca.1845-1857), Clarion Co.
Helen Furnace (ca.1845-1857), Clarion Co.
Hellen Furnace, Clarion Co.
          See: Helen Furnace (ca.1845-1857), Clarion Co.
Hemlock Furnace (ca.1845-1865), Clarion Co.
Hetherington's Furnace, Clarion Co.
          See: Polk Furnace, Clarion Co.
Hieland Furnace, Clarion Co.
          See: Helen Furnace (ca.1845-1857), Clarion Co.
Highland Furnace, Clarion Co.
          See: Helen Furnace (ca.1845-1857), Clarion Co.
Horner & Eaton Company Furnace, Clarion Co.,
          See: Hemlock Furnace (ca.1845-1865), Clarion Co.
Jefferson Furnace (ca.1838- ? ), Clarion Co.
Jennings, Morley & Company Furnace, Clarion Co.,
          See: Sarah Furnace (ca.1860-1867), Clarion Co.
Jennings, Morey & Company Furnace, Clarion Co.,
          See: Sarah Furnace (ca.1860-1867), Clarion Co.
Kahl,
          See: Elk Furnace, Clarion Co., PA
                  Kahl & Call Company,
                  Kahl & Call Company Furnace, Clarion Co., PA
           See also: Kehl
Kahl & Call Company Furnace, Clarion Co.,
          See: Elk Furnace (ca.1842-1855), Clarion Co.
Katen Furnace, Clarion Co.,
          See: Richland Furnace (ca.1846- ? ), Clarion Co.
Keating & Vensel Company Furnace, Clarion Co.
          See: Richland Furnace (ca.1846- ? ), Clarion Co.
Keating's Furnace, Clarion Co.,
          See: Richland Furnace (ca.1846- ? ), Clarion Co.
Kehl,
          See: Kehl & Call Company,
          See also: Kahl
                        Kahl & Call Company
King & Maxwell Company,
          See: Tippecanoe Furnace, Clarion Co., PA
Kribbs, George,
          See: Eagle Furnace, Clarion Co., PA
          See also: Reynolds & Kribbs Company
Little Toby Creek, Clarion Co., PA
          See: Helen Furnace, Clarion Co., PA
Long, Blackstone & Company Furnace,
          See: Beaver Furnace (ca.1835-1854), Clarion Co.
Lyon, Shorb & Company
          See: Madison Furnace, Clarion Co., PA
                 Martha (Polk) Furnace, Clarion Co., PA
                 Polk Furnace (ca.1845-1858), Clarion Co.
Madison Furnace (ca.1836-1873), Clarion Co.
          See also: Lyon, Shorb & Company, Allegheny Co.
Martha Furnace (ca.1845-1858), Clarion Co.
          See: Polk Furnace (ca.1845-1858), Clarion Co.
Mary Ann Furnace (ca.1844-1851), Clarion Co.
Mathiot, Miller & Company Furnace, Clarion Co.
          See: Madison Furnace (ca.1836-1873), Clarion Co.
Maxwell's Furnace, Clarion Co.
          See: Tippecanoe Furnace, Clarion Co.
Mc Culloch & Reynolds' Furnace, Clarion Co.
          See: Red Bank Furnace 'New'  (ca.1859-1890), Clarion Co.
Mc Culloch's Furnace (ca.1859- ?  ), Clarion Co.
          See: Red Bank Furnace 'New' (ca.1859-1890), Clarion Co.
McKim, David
          See: Helen Furnace, Clarion Co., PA
Mease & Company Furnace, Clarion Co.
          See: Deer Creek Furnace  (ca.1850-1851), Clarion Co.
Meyer's Furnace, Clarion Co.
          See: Clarion Furnace, Clarion Co.
                 Polk Furnace (ca.1845-1858), Clarion Co.
Meyers' Furnace, Clarion Co.
          See: Clarion Furnace, Clarion Co.
                 Polk Furnace (ca.1845-1858), Clarion Co.
Miller & Long Company Furnace, Clarion Co.
         See: Beaver Furnace (ca.1835-1854), Clarion Co.
Miller's Furnace, Clarion Co.
         See: Catfish Furnace, Clarion Co.
Monroe Furnace (ca.1845-1882), Clarion Co.
Montgomery,
         Robert:  See: Shippensville Furnace, Clarion Co., PA
Moore, Painter & Company Furnace, Clarion Co.,
         See: Prospect Furnace (ca.1844/45-1862), Clarion Co.
Mount Pleasant Furnace (ca.1847-1861), Clarion Co.
Mt. Pleasant Furnace, Clarion Co.
         See: Mount Pleasant Furnace, Clarion Co.
Myers' Furnace, Clarion Co.
         See: Polk Furnace, Clarion Co.
Netherington's Furnace (ca.1845-1858), Clarion Co.
         See: Polk Furnace (ca.1845-1858), Clarion Co.
Packer & Company Furnace, Clarion Co.
         See: Helen Furnace (ca.1845-1857), Clarion Co.
Paint Creek, Clarion Co., PA
         See: Shippensville Furnace, Clarion Co., PA
Painter, J.
         See: Limestone Furnace, Clarion Co., PA
Perry Furnace, Clarion Co.
         See: Black Fox Furnace, Clarion Co.
Pike Forge, Clarion Co.
Pike Furnace (ca.1845-1868/69), Clarion Co.
Piney Creek, Clarion Co., PA
        See: Madison Furnace, Clarion Co., PA
Piney Township, Clarion Co., PA
        See: Madison Furnace, Clarion Co., PA
Plumer's Furnace, Clarion Co.
        See: Buchanan Furnace (ca.1842/44-1858), Clarion Co.
               Sarah Furnace (ca.1860-1867), Clarion Co.
Polk Furnace (ca.1845-1858), Clarion Co.
Porterfield's Furnace, Clarion Co.
        See: Porterfield Furnace, Venango Co.
Prospect Furnace (ca.1844/45- 1862), Clarion Co.
Quaking Asp Furnace, Clarion Co.,
        See: Jefferson Furnace, Clarion Co.
Rankin, C.A.
        See: Lucinda Furnace, Clarion Co., PA
Red Bank Furnace "New" (ca.1859-1890), Clarion Co.
Red Bank Furnace No. 2 (ca. ? ), Clarion Co.
Redbank Furnace, Clarion Co.
        See: Red Bank Furnace "New" (ca.1859-1890), Clarion Co.
Redbank Furnace "New", Clarion Co.
        See: Red Bank Furnace "New" (ca.1859-1890), Clarion Co.
Reynolds & Kribbs Company,
       
        See: Eagle Furnace, Clarion Co., PA
Reynolds' & Moorhead's Furnace, Clarion Co.
        See: Red Bank Furnace "New" (ca.1859-1890), Clarion Co.
Reynolds & Morehead Company Furnace, Clarion Co.,
        See: Red Bank Furnace "New" (ca.1859-1890), Clarion Co.
Reynolds' Furnace, Clarion Co.
        See: Red Bank Furnace "New" (ca.1859-1890), Clarion Co.
Richey's Furnace, Clarion Co.
        See: Helen Furnace (ca.1845-1857), Clarion Co.
Richland Furnace (ca.1846- ? ), Clarion Co.
Richmond Furnace, Clarion Co.
        See: Richland Furnace (ca.1846- ? ), Clarion Co.
Roseburg, Clarion Co. PA
        See: Mount Pleasant Furnace, Clarion Co., PA
Sample's Furnace, Clarion Co.
        See: Beaver Furnace, Clarion Co.
Sarah Furnace (ca.1860-1867), Clarion Co.
Scotchhill, Clarion Co., PA
       See: Helen Furnace, Clarion Co., PA
Shippen,
       Richard:  See: Shippensville Furnace, Clarion Co., PA
Shippen, Black & Company, Clarion Co.
       See: Shippenville Furnace (ca.1832-1859), Clarion Co.
Shippenville Forge, Clarion Co.
       See: Shippenville Furnace (ca.1832-1859), Clarion Co.
Shippenville Furnace   (ca.1832-1859), Clairon Co.
Shippensville Furnace, Clarion Co.
       See: Shippenville Furnace (ca.1832-1859), Clarion Co.
Sligo Furnace (ca.1845-1871/73), Clarion Co.
      See also: Lyon, Shorb & Company, Allegheny Co.
Smearkase Furnace, Clarion Co.
      See: Elk Furnace, Clarion Co.
Soapfat Furnace, Clarion Co.
      See: Elk Furnace, Clarion Co.
Strattonville, Clarion Co. PA
      See: Helen Furnace, Clarion Co., PA
W.S. Packer & Company Furnace,
      See: Helen Furnace (ca.1845-1857), Clarion Co.
Welsh & Company Furnace, Clarion Co.
      See: Black Fox Furnace, Clarion Co.
Wildcat Furnace (ca.1843-1863), Clarion Co.
Wilson, Samuel
     See: Helen Furnace,Clarion Co., PA
Wilson & McKim Company Furnace, Clarion Co.,
      See: Helen Furnace (ca.1845-1857), Clarion Co.
Wilson's Furnace, Clarion Co.
      See: Cocheco Furnace, Clarion Co.
                   Helen Furnace (ca.1845-1857), Clarion Co.