|H.K. Nichols
| Pa. | | of iron | | sills | |
| | | | | | |
11|Erie Railway|1858|Boring | " |Bridges |Favorable|H.D.V. Prait
| | | | | | |
12|Galveston |1867|Casing |Piles |Bridge |Failure |W.H. Smith
| | | | | | |
13|New York |1868|Beerizing |Lumber |Signs |Doubtful |S. Beer
| | | | | | |
14|Wyoming |1868|Natural |Ties |Railroad |Preserved|J.
| Territory | | soil | | track | | Blinkinsderfer
| | | | | | |
15|Chicago, |1870|Foreman- |Timber |Steamboat |Favorable|M.B. Brown
| Ill. | | izing | | | 1879 |
| | | | | | |
16|Illinois |1871| " |Ties |Railroad |Failure |L.P. Morehouse
| Central | | | | track | |
| Railroad | | | | | |
| | | | | | |
17|St. Louis |1871| " |Shingles |Roof | " |F.
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