Now showing items 2988-3007 of 6206

    • La Porte Quadrangle. Texas. 

      U.S. Geological Survey. (U.S. Geological Survey., 1983)
      A topographic map accurately represents the natural and manmade features of the land. USGS topographic maps are compiled to National Map Accuracy Standards using modern mapping techniques. The shape and elevation of the ...
    • Laboratory evaluation of red-tide control agents. 

      Marvin, K.T.; Proctor, R.R., Jr. (, 1966)
      No abstract available
    • A laboratory method for the culture of Acartia tonsa (crustacea: copepoda) using rice bran 

      Turk, P.E.; Krejci, M.E.; Yang, W.T. (, 1982)
      The calanoid copepod Acartia tonsa was cultured in rectangular tanks filled with 170L of natural sea water. Rice bran added to the culture water provided all the nutrient enrichment necessary to raise A. tonsa throughout ...
    • Laboratory studies relating to development of feeds and feeding systems for penaeid shrimp 

      Chen, Houng-Yung (Texas A&M University, 1983)
      This report describes laboratory studies which were focused on developing feeds and feeding strategies for efficient postlarval and juvenile penaeid shrimp rearing through experimental manipulation of environmental factors ...
    • Laboratory Study of a Dynamic Berm Revetment 

      Ward, Donald L.and John P. Ahrens (, 1992)
      No abstract available
    • Laboratory Study of Aeration as a Feasible Technique for Dewatering Fine-Grained Dredged Material 

      Environmental Engineering Consultants, Inc. (U.S. Army Engineer Waterways Experiment Station, 1976)
      The purpose of this study was to examine analytically and experimentally the potential feasibility for employment of aeration as a means of hastening the drying of fine-grained dredged material. Laboratory experiments were ...
    • Lady Bird Johnson. Our Environmentalist First Lady 

      Gould, Lewis L. (, 1999)
      No abstract available
    • Laguna Madre estuary: a study of the influence of freshwater inflows. 

      Texas Department of Water Resources (Texas Department of Water Resources, 1983)
      The Texas Water Plan of 1968 tentatively allocated specific annual amounts of water to supplement freshwater inflow to Texas' bays ad estuaries. These amounts were recognized at the time as no more than preliminary estimates ...
    • Laguna Madre Estuary: economic impact of recreational activity and commercial fishing 

      Daniel R. Resenmaier, et. Al. (Texas Agricultural Experiment Station, Texas A&M University System, 1987)
      This report conducts the first study reviewing the economic impact from recreational activity and commercial fishing. Indicators are identified and data collected to determine the economic impact. This report is one in a ...
    • Lake Bastrop 

      Texas Parks and Wildlife (, 1992)
      This article covers the newest nominee for intensive large-mouth bass management by the Texas Parks and Wildlife Department -- Lake Bastrop. Lake Bastrop is a small, 900-acre, power plant cooling reservoir in the Lost Pines ...
    • Lake Como Quadrangle. Texas - Galveston Co. 

      U.S. Army Corps of Engineers, Army Map Service. (U.S. Geological Survey., 1977)
      A topographic map accurately represents the natural and manmade features of the land. USGS topographic maps are compiled to National Map Accuracy Standards using modern mapping techniques. The shape and elevation of the ...
    • Lake Houston watershed: waste treatment management agencies population study. Draft. 

      Houston - Galveston Area Council, Community and Environmental Planning. (Houston - Galveston Area Council, Community and Environmental Planning., 1983)
      This report presents updated estimates and revised projections of population for census tracts and sewer service areas within the Lake Houston watershed. During the initial phase of water quality management planning ...
    • Lake Stephenson Quadrangle. Texas. 

      U.S. Geological Survey (U.S. Geological Survey., 1977)
      A topographic map accurately represents the natural and manmade features of the land. USGS topographic maps are compiled to National Map Accuracy Standard using modern mapping techniques. The shape and elevation of the ...
    • Lakes and Ponds 

      Woodward, Susan L. (Greenwood Press, 2003)
      A lake is any water-filled depression on land that is cut off from an inflow of ocean water. Any such body of water -from a puddle to one of the Great Lakes - can be considered a lake, although many people call smaller, ...
    • A laminar-flow choice chamber for testing the responses of postlarval penaeids to olfactants 

      Benfield, M.C.; Aldrich, D.V. (, 1991)
      A laminar-flow dichotomous choice chamber has been developed for testing the responses of postlarval brown shrimp. Penaeus aztecus, and white shrimp, Penaeus setiferus, to olfactants. Test animals were provided with equal ...
    • Land - State Alternatives for Planning and Management 

      Council of State Governments Task Force on Natural Resources and Land Use Information and Technology (Council of State Governments, 1975)
      In June 1973, the Council of State Governments created a Task Force on Natural Resources and Land Use Information and Technology, whose major purpose was to foster discussion and review of related problems and programs in ...
    • Land in Jeopardy 

      Cahn, Robert (Christian Science Monitor, 1973)
      A series of articles entitled "Land in Jeopardy"
    • Land Resource Management System for Texas 

      Texas Land Resource Management Committee (Texas Urban Development Commission, 1971)
      The report contained in this volume is the product of an intensive study by the Land Resource Management Committee of the Commission. This Committee was formed in early 1971 as a result of concerns expressed by the Commission ...
    • Land resources of Texas: a map of Texas lands classified according to natural suitability and use considerations 

      Kier, R.S.; Garner, L.E.; Brown, L.F., Jr. (Bureau of Economic Geology, University of Texas at Austin, 1977)
      The Land Resources of Texas map classifies and describes the variety of lands in the State and depicts their distribution and interrelationships. Texas citizens and various government agencies can use the map to understand ...
    • Land subsidence in the United States 

      Babbitt, B.; Groat, C.G. (U.S. Department of the Interior; U.S. Geological Survey, 1999)
      All over the United States, people are dealing with the problem of land subsidence due to the withdrawal of ground water or the application of water at the land surface. This report focuses on the three principal processes ...