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Showing Collections: 1 - 7 of 7

Gerhardi Livestock Protector Field Test Records --

 Collection
Identifier: NWRC 0059
Abstract The Gerhardi Livestock protector was a device designed to repel predators from livestock pastures. It was invented by Thomas Edward Gerhardi in Canada. The Department of Interior’s Division of Wildlife Services conducted studies with the Livestock Protector with the goal of possibly registering the device with the U.S. Environmental Protection Agency, which would allow the device to be used in the United States. However, it was never registered and never saw widespread use in the United...
Dates: 1968-1972

Guy Connolly Papers --

 Collection
Identifier: NWRC 0002
Abstract Wildlife Research Biologist Guy Connolly served in numerous capacities during his more than 20 years with the Animal Damage Control (ADC) Program’s Denver Wildlife Research Center (DWRC). He worked in ID, CA, TX, MT, and OR as a field researcher and biologist, and in Denver and Washington D.C. as a wildlife specialist and as DWRC’s principal research liaison with ADC operations. Chemical and lethal coyote control methods, aerial shooting, sodium cyanide ejectors, toxic and nontoxic baits,...
Dates: 1915-2014, Bulk dates 1970-1997

Mammal Damage Unit Records --

 Collection
Identifier: NWRC 0034
Abstract

Over the years, the Mammal Damage Unit of the DWRC/NWRC conducted research on coyote predation on livestock; rodent damage to crops, rangeland, and buried cables; and damage to timber production and reforestation efforts caused by deer, bear, and rodents, particularly pocket gophers. The Unit also studied the use of pesticides as well as methods to identify and develop non-lethal or non-chemical alternative management methods for specific wildlife problems.

Dates: 1909 - 2002; Majority of material found within 1940 - 1990

NWRC Historical Images Collection---

 Collection
Identifier: NWRC 0044
Abstract

The NWRC Historical Images Collection (NWRC 0044) contains hundreds of images dated 1895 to 2002. Included are images of staff members at work, wildlife whose damage the Center works to manage, various buildings the Center and its predecessors have occupied, as well as images of events and special projects.

Dates: 1895-2002; Majority of material found within 1950-1995

Sam Linhart Records--

 Collection — Container: NWRC 0049
Identifier: NWRC 0049
Abstract

Sam Linhart worked as a biologist in the predator control research section at the Denver Wildlife Research Center from 1964 to 1990. This collection contains materials from his studies related to predator control. Research records on electric fencing, leghold traps, the electronic guard, the 1080 toxic collar, livestock protection dogs, the M-44, and tranquilizer tabs for wild carnivore traps are included. This collection also contains images related to Linhart’s research.

Dates: 1953 - 1992

WS Idaho State Office Records --

 Collection
Identifier: NWRC 0031
Scope and Contents This collection includes five series and consists of eleven boxes of materials, including documents, slides, photographs, and artifacts that document the history of bird, predator, and rodent control in the state of Idaho from 1915 to 1990. Materials from several federal agencies and programs such as the BBS, WPA, CCC, USFWS, ADC, USDA, USDI, and Wildlife Services are included. Series I of this collection includes 75 years (1915-1990) of annual reports highlighting predator and...
Dates: 1915 - 1991; Majority of material found within 1930 - 1980

WS Nebraska and Texas State Office Slides --

 Collection
Identifier: NWRC 0056
Scope and Contents

The WS Nebraska and Texas State Office Slides Collection consists of two series of 35mm slides that are arranged alphabetically across seven boxes. The slides date from 1959 to 1996, with the bulk between 1980 and 1990. They document rodents, birds, predators, livestock, dogs, wildlife damage, animal damage control projects, and people.

Dates: 1959-1996; Majority of material found within 1980-1990

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  • Subject: Livestock X

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Subject
Birds 3
Compound 1080 3
M-44 3
Bird damage 2
Coyote trapping 2
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Names
Animal Damage Control Program (U.S.) (ADC) 3
United States. Bureau of Biological Survey (BBS) 2
Wildlife Services (U.S.) 2
Balser, Donald S. 1
Besser, Jerome F. 1