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Science Quality and Integrity

The USGS provides unbiased, objective, and impartial scientific information upon which our audiences, including resource managers, planners, and other entities, rely.

Browse more than 5,500 book chapters authored by our scientists over the past 100+ year history of the USGS and refine search by topic, location, year, and advanced search.

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January 1, 1978

Constitution Gardens: the making of an urban park Constitution Gardens: the making of an urban park

No abstract available.

Authors

R.S. Hammerschlag, J.C. Patterson

Ecosystems Mission Area, Eastern Ecological Science Center

January 1, 1978

Diets, equipment, and techniques for maintaining crawfish in the laboratory Diets, equipment, and techniques for maintaining crawfish in the laboratory

One commercial and 4 laboratory prepared extruded, water-stable diets were fed 3 times a week in 1-g portions to juvenile male and female White River crawfish, Procambarus acutus acutus (Girard), for 10 weeks. The. binding material in the laboratory preparation was alginate (Kelgin), whereas that in the commercial preparation was starch. No statistically significant weight differences...

Authors

I.B. Tarshis

Ecosystems Mission Area, Eastern Ecological Science Center

January 1, 1978