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Page 4463, results 111551 - 111575

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Monitoring the hydrothermal system in Long Valley caldera, California
C. D. Farrar, M.L. Sorey
1985, Geothermal Resources Council Transactions (9) 423-428
An ongoing program to monitor the hydrothermal system in Long Valley for changes caused by volcanic or tectonic processes has produced considerable data on the water chemistry and discharge of springs and fluid temperatures and pressures in wells. Chemical and isotopic data collected under this program have greatly...
Direct fluorescent antibody technique for the detection of bacterial kidney disease in paraffin-embedded tissues
T. Ochiai, W. T. Yasutake, R. W. Gould
1985, Fish Pathology (19) 271-272
The direct fluorescent antibody technique (FAT) was successfully used to detect the causative agent of bacterial kidney disease (BKD), Renibacterium salmoninarum, in Bouin's solution flexed and paraffinembedded egg and tissue sections. This method is superior to gram stain and may be particularly useful in detecting the BKD organism in fish...
Comparisons of spawning areas and times for two runs of chinook salmon (Oncorhynchus tshawytscha) in the Kenai River, Alaska
C. V. Burger, R.L. Wilmot, D.B. Wangaard
1985, Canadian Journal of Fisheries and Aquatic Sciences (42) 693-700
From 1979 to 1982,188 chinook salmon (Oncorhynchus tshawytscha) were tagged with radio transmitters to locate spawning areas in the glacial Kenai River, southcentral Alaska. Results confirmed that an early run entered the river in May and June and spawned in tributaries, and a late run entered the river from late...
Effects of a Kentucky flood-control reservoir on macroinvertebrates in the tailwater
J.F. Novotny
1985, Hydrobiologia (126) 143-153
The effects of a flood-control reservoir on downstream macroinvertebrates were assessed by comparing the tailwater community with that of a natural stream. Samples were collected 1.6 and 21.1 km below Barren River Lake dam in 1979, 1980, and 1981 and in a reservoir tributary in 1980 and 1981. An indication...
Ground-water resources of northern Utah Valley, Utah
D.W. Clark, C. L. Appel
1985, Technical Publication 80
An evaluation was made of the ground-water resources of northern Utah Valley, Utah, to describe the ground-water system and to document changes in ground-water conditions since 1963. The principal ground-water reservoir is in basin-fill deposits. It consists of three major confined aquifers and an unconfined aquifer in pre-Lake Bonneville deposits...
Artificial infestation of largemouth bass and walleye with glochidia of Lampsilis ventricosa (Pelecypoda: Unionidae)
D. L. Waller, L. E. Holland Bartels, L. G. Mitchell, T. W. Kammer
1985, Freshwater Invertebrate Biology (4) 152-153
The unionid mussel Lampsilis ventricosa is a bundant in the upper Mississippi River and provides a model for studies related to recovery of the endangered Higgins' eye mussel (Lampsilis higginsi). We tested the suitability of two species of fish species as hosts for glochidia of L. ventricosa. Laboratory-reared largemouth bass...
Directory of Assistance Centers of the National Water Data Exchange (NAWDEX)
Cassandra D. Blackwell
1985, Open-File Report 85-413
The National Water Data Exchange (NAWDEX), managed by the U.S. Geological Survey, has established a network of Assistance Centers throughout the United States and Puerto Rico to assist users of water data in identifying and locating the data they need. This Directory provides the information needed to contact any of...
Retention behavior of long chain quaternary ammonium homologues and related nitroso-alkymethylamines
S. L. Abidi
1985, Journal of Chromatography (324) 209-230
Several chromatographic methods have been utilized to study the retentionbehavior of a homologous series of n-alkylbenzyldimethylammonium chlorides (ABDAC) and the corresponding nitroso-n-alkylmethylamines (NAMA). Linear correlation of the logarithmic capacity factor (k') with the number of carbons in the alkyl chain provides useful information on both gas chromatographic (GC) and high-performance...
US GeoData: Digital cartographic and geographic data
Water Resources Division, U.S. Geological Survey
1985, Report
The increasing use of computers for storing and analyzing earth science information has sparked a growth in the demand for various types of cartographic data in digital form. The production of map data in computerized form is called digital cartography, and it involves the collection, storage, processing, analysis, and display...
Program of operation for the National Water Data Ex. (NAWDEX)
M.D. Edwards
1985, Open-File Report 85-76
The National Water Data Exchange (NAWDEX) has been established as a nationwide program directed at improving access to water and water-related data and disseminating information about the availability of these data throughout the entire water-resources community. NAWDEX is composed of a confederation of water-oriented organizations working together to facilitate the...
Stage fluctuations of Wisconsin lakes
Leo B. House
1985, Information Circular 49
This report describes lake-stage fluctuations of 83 gaged lakes in Wisconsin and presents techniques for estimating stage fluctuation at ungaged lakes. Included are stage information at 83 lakes and stage-frequency data for 32 of these lakes that had sufficient record for analysis. Lakes are classified by a hydrologic-topographic lake classification...