| Ruins |
| Alabama | Florida | Louisiana | Nebraska | Oklahoma | Vermont |
| Alaska | Georgia | Maine | Nevada | Oregon | Virginia |
| Arizona | Hawaii | Maryland | New Hampshire | Pennsylvania | Washington |
| Arkansas | Idaho | Massachusetts | New Jersey | Rhode Island | West Virginia |
| California | Illinois | Michigan | New Mexico | South Carolina | Wisconsin |
| Colorado | Indiana | Minnesota | New York | South Dakota | Wyoming |
| Connecticut | Iowa | Mississippi | North Carolina | Tennessee | |
| District of Columbia | Kansas | Missouri | North Dakota | Texas | |
| Delaware | Kentucky | Montana | Ohio | Utah |
| Kansas |
| Feature Name | County | Class | Latitude | Longitude | 1:24,000 USGS Topographic Map |
Elevation in Feet |
Feature ID# |
| Cottage Furnace Ruins | Estill | Locale | 374526N | 0835451W | Clay City | 1191 | 511560 |
| Estill Furnace Ruins | Estill | Locale | 374539N | 0835001W | Stanton | 1257 | 512090 |
| Fitchburg Furnace Ruins | Estill | Locale | 374400N | 0835101W | Cobhill | 745 | 2440436 |
| Drennon Springs Ruins | Henry | Locale | 383025N | 0850323W | Worthville | 518 | 2568592 |
| Beaver Iron Furnace Ruins | Menifee | Locale | Unknown | Unknown | Unknown | 1122 | 2400731 |