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Page 6198, results 154926 - 154950

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Publication Extents

Not all publications have extents, not all extents are completely accurate
Drainage areas of Iowa streams
O.J. Larimer
1957, Iowa Highway Research Board Bulletin 7
The drainage area of a stream at a specified location ordinarily may be defined as that area, measured in a horizontal plane, which is enclosed by a topographic divide such that direct surface runoff from precipitation would drain by gravity into the river basin above the specified point. One of the...
Notes on the structural geology of Puerto Rico
C. A. Kaye
1957, GSA Bulletin (68) 103-118
Two major structural and stratigraphic rock units occur in Puerto Rico: the older complex, ranging in known age from Late Cretaceous to late Paleocene or early Eocene and the middle Tertiary sequence, ranging from late Oligocene possibly to late Miocene. The former rocks are eugeosynclinal in character and are very...
Lithofacies of the salt wash member of the Morrison Formation, Colorado plateau
T. E. Mullens, V. L. Freeman
1957, Geological Society of America Bulletin (68) 505-526
The Salt Wash is the basal member of the Upper Jurassic Morrison Formation in parts of Utah, Colorado, Arizona, and New Mexico. Deposited by streams, it comprises lenticular beds of cross-laminated sandstone irregularly interbedded with mudstone, siltstone, claystone, and horizontally laminated sandstone. The term "lithofacies," as used in this paper,...