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Publication Extents

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Iron in the United States, exclusive of Alaska and Hawaii
Martha S. Carr, Philip White Guild, W.B. Wright
1967, Mineral Investigations Resource Map 51
The iron-ore deposits in the United States (exclusive of Alaska and Hawaii) are shown on the accompanying map; many iron-bearing deposits that are of lesser or only potential value are also shown. Because these deposits range widely in extent, two general categories of symbols are used, each of which is...
Flood information for flood-plain planning
Conrad D. Bue
1967, Circular 539
Floods are natural and normal phenomena. They are catastrophic simply because man occupies the flood plain, the highwater channel of a river. Man occupies flood plains because it is convenient and profitable to do so, but he must purchase his occupancy at a price-either sustain flood damage, or provide flood-control...