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71Pygidianops — Taxobox name = Pygidianops regnum = Animalia phylum = Chordata classis = Actinopterygii ordo = Siluriformes familia = Trichomycteridae subfamilia = Glanapteryginae genus = Pygidianops genus authority = Myers, 1944 type species = Pygidianops… …
72Flat pebblesnail — A 1870 drawing of the shell of Lepyrium showalteri Conservation status …
73San Juan Creek — Geobox River name = San Juan Creek native name = other name = San Juan Rivercite web | url=Gnis3|273492 | title=San Juan Creek | work=Geographic Names Information System | publisher=United States Geological Survey | accessdate=2008 02 21 ] image… …
74Umpqua Basin — The Umpqua Basin is a watershed in the U.S. state of Oregon. It includes the drainages of the South Umpqua River, North Umpqua River, mainstem Umpqua River and the Smith River. The basin lies primarily within three ecoregions (Coast Range,… …
75Watts Branch (Potomac River) — Watts Branch is a tributary stream of the Potomac River in Montgomery County, Maryland. The headwaters of the stream originate in the city of Rockville, and the branch flows southwest for about 10 miles, under the C O Canal near Swain s Lock, to… …
76Glines Canyon Dam — Infobox Dam dam name=Glines Canyon Dam caption=Glines Canyon Dam official name= crosses= reservoir= locale=Elwha River maint= length= height=210 ft. (64 m) width= began= open= closed=2012 (est.) cost= reservoir capacity= reservoir catchment=… …
77Tracheobronchial injury — Classification and external resources Reconstruction of the trachea and bronchi with x ray computed tomography showing disruption of the right main bronchus with abnormal lucency (arrow) …
78Tracheobronchial tree — The tracheobronchial tree is the structure from the trachea, bronchi, and bronchioles that forms the airways that supply air to the lungs. It is within the neck and the chest.cite journal |author=Johnson SB |title=Tracheobronchial injury |journal …
79Water Resources Development Act of 1992 — The Water Resources Development Act of 1992 (WRDA 1992), USPL|102|580, was enacted by Congress of the United States on October 31, 1992. [ [http://thomas.loc.gov/cgi bin/bdquery/D?d102:1:./temp/ bdMCKV:@@@D summ2=m |/bss/d102query.html||Public… …
80River — For other uses, see River (disambiguation). The Tigris River near Hasankeyf, in southeastern Turkey …
