| 151 |
Laurel Furnace. 1807-1807. Pennsylvania. iron furnace (or owner) -- |
| 152 |
Lawson, Alexander. 1745-1766. Baltimore Co., Md.. iron furnace (or owner) -- |
| 153 |
Lawson, Thomas. 1762-1782. Prince William Co., Va.. iron furnace (or owner) -- |
| 154 |
Leach, George B.. 1810-1820. New York City. iron furnace (or owner) -- |
| 155 |
Legh Furnace. 1772-1791. Frederick Co., Md.. iron furnace (or owner) -- |
| 156 |
Lewis Furnace (c.1751). 1751-1751. Spotsylvania Co., Va.. iron furnace (or owner) -- |
| 157 |
Linton, John. 1815-1815. Pittsburgh, Pa.. iron furnace (or owner) -- |
| 158 |
Lyon, James. 1805-1822. Baltimore, Md.. iron furnace (or owner) -- |
| 159 |
Mabo Iron Furnace. 1806-1806. Rockingham Co., Va.. iron furnace (or owner) -- |
| 160 |
Marshall, John. 1815-1815. Pittsburgh, Pa.. iron furnace (or owner) -- |
| 161 |
Martha Furnace. 1805-1805. Burlington Co., NJ. iron furnace (or owner) -- |
| 162 |
Maryann Furnace. 1764-1790. York Co., Pa.. iron furnace (or owner) -- |
| 163 |
Matter, Anthony. 1815-1815. Pittsburgh, Pa.. iron furnace (or owner) -- |
| 164 |
Mayberry, Thomas. 1790-1819. Charleston, S.C.. iron furnace (or owner) -- |
| 165 |
Mayburry & Weaver. 1820-1820. Rockbridge Co., Va.. iron furnace (or owner) -- |
| 166 |
Mayburry, Willoughby. 1814-1819. Frederick Co., Md.. iron furnace (or owner) -- |
| 167 |
McArdle, Henry. 1813-1817. Baltimore, Md.. iron furnace (or owner) -- |
| 168 |
McCameron, Enoch. 1806-1806. New York City. iron furnace (or owner) -- |
| 169 |
McCarl, Henry. 1812-1812. Baltimore, Md.. iron furnace (or owner) -- |
| 170 |
McClure, Halbert. 1820-1820. Rockbridge Co., Va.. iron furnace (or owner) -- |
| 171 |
McClurg & McKnight. 1815-1819. Pittsburgh, Pa.. iron furnace (or owner) -- |
| 172 |
McClurg, Alexander. 1813-1819. Pittsburgh, Pa.. iron furnace (or owner) -- |
| 173 |
McClurg, Joseph. 1810-1819. Pittsburgh, Pa.. iron furnace (or owner) -- |
| 174 |
McDermott, William. 1810-1810. Bedford Co., Pa.. iron furnace (or owner) -- |
| 175 |
McFarlane, John. 1804-1812. New York City. iron furnace (or owner) -- |
| 176 |
McKay, John. 1809-1811. New York City. iron furnace (or owner) -- |
| 177 |
McKnight (McClurg &). 1816-1816. Pittsburgh, Pa.. iron furnace (or owner) -- |
| 178 |
McPherson, John. 1809-1820. Washington Co., Md.. iron furnace (or owner) -- |
| 179 |
Miller, Henry. 1819-1819. Pittsburgh, Pa.. iron furnace (or owner) -- |
| 180 |
Miller, Henry. 1819-1820. Cincinnati, Ohio. iron furnace (or owner) -- |
| 181 |
Minukhouser, Peter. 1820-1820. New York City. iron furnace (or owner) -- |
| 182 |
Moore, William. 1789-1799. Rockbridge Co., Va.. iron furnace (or owner) -- |
| 183 |
Morgans, Brown & Guthrie. 1820-1820. Greene Co., Tenn.. iron furnace (or owner) -- |
| 184 |
Mount Aetna Furnace. 1781-1820. Washington Co., Md.. iron furnace (or owner) -- |
| 185 |
Mount Hope Furnace. 1808-1808. Anne Arundel Co., Md.. iron furnace (or owner) -- |
| 186 |
Mount Joy Furnace. 1801-1801. Virginia (unspecified). iron furnace (or owner) -- |
| 187 |
Neabsco Furnace. 1738-1827. Prince William Co., Va.. iron furnace (or owner) -- |
| 188 |
Norris, Hugh. 1810-1811. New York City. iron furnace (or owner) -- |
| 189 |
Norris, Robert. 1820-1820. New York City. iron furnace (or owner) -- |
| 190 |
Ogier, Thomas. 1795-1796. Charleston, S.C.. iron furnace (or owner) -- |
| 191 |
Ogle, Charles. 1794-1794. Washington Co., Md.. iron furnace (or owner) -- |
| 192 |
Old, James. 1799-1799. Berks Co., Pa.. iron furnace (or owner) -- |
| 193 |
Owings, John Cockey, & Co.. 1789-1797. Bourbon Co., Ky.. iron furnace (or owner) -- |
| 194 |
Owings, Thomas Deye. 1808-1810. Bourbon Co., Ky.. iron furnace (or owner) -- |
| 195 |
Parkhill, Sabbaton & Co.. 1814-1817. Richmond, Va.. iron furnace (or owner) -- |
| 196 |
Patowmack Company. 1786-1786. Montgomery Co., Md.. iron furnace (or owner) -- |
| 197 |
Paul, James. 1814-1814. Adams Co., Ohio. iron furnace (or owner) -- |
| 198 |
Pearce, David. 1820-1820. Wythe Co., Va.. iron furnace (or owner) -- |
| 199 |
Pennybacker, Benjamin. 1802-1820. Shenandoah Co., Va.. iron furnace (or owner) -- |
| 200 |
Pennybacker, Derick. 1787-1802. Shenandoah Co., Va.. iron furnace (or owner) -- |
