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212,872 Matching Results

Start Over Partner UNT Libraries Government Documents Department Country United States

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(open access)

Yellowstone Bison: Interagency Plan and Agencies' Management Need Improvement to Better Address Bison-Cattle Brucellosis Controversy

A letter report issued by the Government Accountability Office with an abstract that begins "Federal and Montana state agencies have long been entangled in controversy over bison leaving Yellowstone National Park. Some of these bison, as well as elk and other wildlife, have a contagious disease called brucellosis, which can cause pregnant animals to abort. Montana livestock owners and government officials fear that if bison are allowed to leave the park, the disease could spread to cattle, potentially threatening the economic health of the state's livestock industry. To help manage this issue, three federal and two state agencies have been implementing a bison management plan that they agreed to in 2000. This report discusses (1) the progress made in implementing the bison management plan and (2) the plan's soundness and the effectiveness of the agencies' implementation of it for managing bison-related issues in and near Yellowstone National Park. GAO reviewed documentation and research on bison and brucellosis and interviewed federal and state officials and key stakeholders."

Date: March 7, 2008

Creator: United States. Government Accountability Office.

Object Type: Report

System: The UNT Digital Library

(open access)

Yellowstone National Park: Preliminary Observations on the Implementation of the Interagency Bison Management Plan

Testimony issued by the Government Accountability Office with an abstract that begins "Yellowstone National Park, in northwest Wyoming, is home to a herd of about 3,600 free-roaming bison. Some of these bison routinely attempt to migrate from the park in the winter. Livestock owners and public officials in states bordering the park have concerns about the bison leaving the park because many are infected with brucellosis--a contagious bacterial disease that some fear could be transmitted to cattle, thus potentially threatening the economic health of the states' livestock industry. Other interested groups believe that the bison should be allowed to roam freely both within and outside the park. In an effort to address these concerns, five federal and Montana state agencies agreed to an Interagency Bison Management Plan (IBMP) in December 2000 that includes three main steps to "maintain a wild, free-ranging population of bison and address the risk of brucellosis transmission to protect the economic interest and viability of the livestock industry in Montana." This testimony discusses GAO's preliminary observations on the progress that has been made in implementing the IBMP and the extent to which bison have access to lands and an easement acquired for $13 million in federal …

Date: March 20, 2007

Creator: United States. Government Accountability Office.

Object Type: Text

System: The UNT Digital Library

(open access)

Yemen: A selected annotated Bibliography of Literature since 1960

This report provides a representative sample of the literature on the political developments in Yemen since 1960.

Date: November 8, 1965

Creator: Wenner, Manfred W

Object Type: Report

System: The UNT Digital Library

(open access)

Yield and Energy Distribution of Neutrons Resulting from the Interaction of 14-Mev Neutrons with Li6 and Li7

The yield and energy distribution of the lower-energy neutrons resulting from interaction of 14-Mev neutrons with Li6 and Li7 have been measured in the energy range between 4 and 12 Mev. A coincidence spectrometer was used to detect the neutrons from a scatterer in the form of a spherical shell placed around the neutron source. By use of the spectrometer as a threshold detector, transmission measurements were also made, from which could be determined the elastic cross section for scattered neutrons above 12 Mev. The result is in agreement with the measurement of Graves of the amount of small-angle elastic scattering. Using the known total cross section of Li6, the known reaction cross sections, and the present measurements, a complete “audit” of the interacted neutrons is made. Qualitatively, one-half of the total cross section is due to small-angle elastic scattering, and all inelastic processes result in lower energy neutrons spread rather uniformly in the region from zero to 12 Mev. Measurement using a thin iron sphere gave a neutron spectrum in good agreement with previous results of Graves and Rosen.

Date: September 1953

Creator: Ribe, Fred L.

Object Type: Report

System: The UNT Digital Library

(open access)

Yield and Selected Traits of Sorghum Midge Resistant Hybrids in the Presence and Absence of the Pest Insect

Study conducted to evaluate the performance of sorghum midge resistant and susceptible hybrids in the presence and absence of the pest insect.

Date: October 1992

Creator: Texas Agricultural Experiment Station

Object Type: Text

System: The Portal to Texas History

(open access)

Yielding and Buoyant Pile Breakwater.

Patent for a new and improved breakwater. This design is "of a cheap, durable, and efficient breakwater for localities exposed to the destructive action of the waves; and it consists mainly in a line of single-column buoyant piles, arranged side-by-side, and grouped together in sections . . . and anchored to their water-bed, and also in certain constructions and combination of parts" (lines 28-35).

Date: June 27, 1882

Creator: Franklin, Robert M.

Object Type: Patent

System: The Portal to Texas History

(open access)

Yielding Power-Coupling

Patent for a yielding power coupling to connect power units in cars to form a complete system. Illustrations included.

Date: February 18, 1908

Creator: Mayo, William C. & Houlehan, John

Object Type: Patent

System: The Portal to Texas History

Yoakum Quadrangle

Topographic map of a portion of Texas from the United States Geological Survey (USGS) project. The map includes towns, historic or notable sites, bodies of water, and other geologic features. Scale 1:24,000

Date: 1987

Creator: Geological Survey (U.S.)

Object Type: Map

System: The Portal to Texas History

Yoakum Quadrangle

Satellite image topographic map of a portion of Texas from the United States Geological Survey (USGS) project. The map includes towns, historic or notable sites, bodies of water, and other geologic features. Scale 1:24,000

Date: 2010

Creator: Geological Survey (U.S.)

Object Type: Map

System: The Portal to Texas History

Yoakum Quadrangle

Date: 1964

Creator: Geological Survey (U.S.)

Object Type: Map

System: The Portal to Texas History

Yoakum Quadrangle

Date: 2013

Creator: Geological Survey (U.S.)

Object Type: Map

System: The Portal to Texas History

Yoakum Quadrangle

Date: 1987

Creator: Geological Survey (U.S.)

Object Type: Map

System: The Portal to Texas History

(open access)

Yoke for Connecting Animals.

Patent for a new improvements in animal yoking. Patent for "a new and improved yoking or coupling for connecting two animals together when grazing which allows automatic disconnection in case either of the animals gets a foreleg over the coupling" (lines 8-12) including instructions and illustrations. Patent for a new animal yoking design, including illustrations.

Date: April 17, 1888

Creator: Carmichael, William

Object Type: Patent

System: The Portal to Texas History