Continuing, he says:

Some iron implements and ornaments have been found in the tombs with nothing about them indicative of their belonging to the late period. The paucity of such instances is partially, if not wholly accounted for, by the rapid decay of iron in the nitrous earth of Egypt, or when oxidized by exposure to the air. It seems very improbable that the Hebrew and Canaanites should for centuries have been well acquainted with the use of iron, and their neighbors of Egypt, whose civilization was far more advanced, have been ignorant of it. On these grounds the most judicious of modern Egyptologists seem to hold, that while the use of iron by the Egyptians in Pharaonic times was at the best rare and occasional, it was not wholely unknown, though less appreciated than we should have expected. Iron spear-heads, iron cycles, iron gimlets, iron bracelets, iron keys, iron wire were occasionally made use of, but the Egyptians on the whole were contented with their bronze implements and weapons, which were more easily produced and which they found to answer every purpose.[[39]]

May it not be argued with equal reason, that the Lamanites, after the conquest of the Nephites, found themselves in the same condition, that is, it was easier for them to convert copper into such implements as they desired than iron, until finally the use of iron was discontinued and the art of manufacturing it lost.

Baldwin says of the Peruvians:

Iron was unknown to them in the time of the Incas, although some maintain that they had it in the previous ages, to which belong the ruins of Lake Titicaca. Iron ore was and still is very abundant in Peru. It is impossible to conceive how the Peruvians were able to cut and work stone in such a masterly way, or to construct their great roads and aqueducts without the use of iron tools. Some of the languages of the country, and perhaps all, had names for iron; in official Peruvian it was called "quillay," and in the old Chilian tongue "panilic." "It is remarkable," observes Molina, "that iron, which has been thought unknown to the ancient Americans, has particular names in some of their tongues." It is not easy to understand why they had names for this metal, if they never at any time had knowledge of the metal itself. In the "Mercurio Peruano," (tome i., p. 201, 1791), it is stated that, anciently, the Peruvian sovereigns, "worked magnificent iron mines at Ancoriames, on the west shore of Lake Titicaca;" but I can not give the evidence used in support of this statement.[[40]].

DeRoo says:

Iron seems to have been unknown in America at the time of the Spanish discovery, but the Mound-Builders' graveyards, afford proof that they not only knew it, but manufactured it into tools and implements. In the sepulchral mound at Marietta (Ohio) there was found in the year 1819 a little lump of iron ore that had almost the specific gravity of pure iron, and presented the appearance of being partially smelted, while in the mound at Circleville oxidized iron was unearthed in the shape of a plate.[[41]]

Referring again to what was found in the mound at Marietta, he says:

In June of 1819, upon opening a mound at Marietta, some very remarkable objects were discovered, consisting of three large circular copper bosses thickly overlaid with silver, and apparently intended as ornaments for a buckler or a sword-belt. On the reverse were two plates fastened by a copper rivet or nail, around which was a flaxen thread, while between the plates were two small pieces of leather. The copper showed much signs of decay; it was almost reduced to an oxide; but the silver, though much corroded, resumed its natural brilliancy on being burnished. In the same tumulus was also found a hollow silver plate six inches long and two broad, intended apparently as the upper part of a sword-scabbard. The scabbard itself seems to have perished in the course of time, as no other portion of it was found, with the exception of a few broken, rust-eaten pieces of a copper tube, which was likely intended for the reception of the point of the weapon.[[42]]

Josiah Priest has the following passages on the subject of the discoveries of iron in the mounds of America: