176 lines
8.0 KiB
Plaintext
176 lines
8.0 KiB
Plaintext
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Reprint of an article taken from the Las Vegas Review-Journal/Sun,
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Sunday, Nov 24, 1991
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Bighorn Sheep Massacre A Mystery
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by Keith Rogers
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Wildlike officials are at loss to explain how or
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why 13 carcasses were flown to charred landscape.
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It sounds like a segment from "Unsolved Mysteries."
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On a chilly November day last year, hunter Jack Anderson climbed the
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rocky terrain of a peak near Carp, a Union Pacific railroad stop in Meadow
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Valley Wash at the foot of the Morman Mountains, 65 miles northeast of Las
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Vegas.
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There, to his disbelief, he found 13 dead desert bighorn sheep, most of
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them piled atop the charred landscape where desert shrubs and a few,
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scattered pinyon pines and junipers once grew until a fire wiped them out.
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The sight of the dead bighorns, with no burn marks on their bodies,
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bothered him.
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"For whatever reason it was done, it wasn't right," Anderson said last
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week.
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Wildlife officials estimate the carcasses had been there at least six or
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eight months, maybe longer, perhaps a year or more, given the dry and shady
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location. They were mostly ewes and lambs but two of them were rams. None
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had evidence of bullet wounds. All had died about the same time.
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The carcasses had apparently been dropped out of the air because the
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hill was too steep and treacherous for a human to haul them there by foot
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or even on horseback, and there is no way of reaching the area by vehicle.
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"It would take six hours if you could walk fast. It's steep, 5,000 to
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6,000" feet in elevation, Anderson said, recounting how he took warden
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Barry Adkins to the spot.
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Adkins quietly investigated the dead sheep until April, when he appealed
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to the Las Vegas news media to help solve the mystery. Despite news
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stories and broadcasts, no leads surfaced.
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A year since Anderson found the bighorn, Adkins is still looking for
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answers.
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"Nothing has come up substantial," Adkins said this month. "They were
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probably killed someplace else and dumped there. Somebody tried to cover
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up the act."
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Theories on who or what killed the sheep range from outer space aliens
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to sadistic cults to mishaps involving live capture operations. Other
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possibilities are an accidental poisoning or a botched Air Force operation.
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Whatever happened, Adkins and other state wildlife investigators are
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convinced a helicopter was involved because of the positioning of the
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carcasses, most of them in pile, 12 feet from the top of the hill, with a
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few scattered as if they had slid downhill.
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One dismembered carcass had been dragged from the pile by a predator,
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probably a cougar or coyote, he said.
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Adkins and state wildlife biologist Bob Turner said they doubt scenarios
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that involve aliens or sadistic cults, because 12 of the sheep were found
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whole.
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Adkins said he investigated the possibility that the sheep fell victim
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to a state-sanctioned relocation operation that used a net shot from a
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helicopter as the aircraft chased them into a clearing. But the numbers
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didn't add up.
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One of two so-called net-gunning missions occured in the Morman
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Mountains about the time the sheep were believed to have died. They were
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performed by an Idaho helicopter company for the Texas Parks and Wildlife
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Department under an agreement with the Nevada Department of Wildlife. But
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mortality figures recorded by state biologists fall short of the number of
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sheep that Anderson found dead.
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Turner said in all there have been 10 net-gunnings to capture some 240
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bighorns since the mid-1980s.
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Only five sheep died in those operations that sent 50 to Texas, 30 to
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Utah and 28 to Colorado, and relocated the rest to restore other desert
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bighorn populations in Nevada. A few net-gunnings have occured in Oregon
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and Idaho to bring sheep to Nevada.
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Turner's records show that in the two Texas captures only one sheep
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died, probably from a broken neck after it tangled in net the and rolled.
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Despite the four deaths from net-gunning, the American Veterinary
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Medical Association reported this month that wild sheep populations have
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benefited from relocation projects, and better capturing methods have
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reduced the mortality rate from more than 10 percent in the 1970s to 3
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percent in the 1980s to 1 percent this decade.
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Turner's figures show Nevada's sheep mortality rate is about the same as
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the national average.
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Adkins rejected a theory that another state hired a helicopter to
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conduct an unauthorized capture of Navada sheep, causing the 13 deaths.
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"Anything is possible," he said. "If it was another state, though, I
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don't think they would have gone to the trouble to dump them."
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Adkins said he checked other agencies that use helicopters in the area
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of the Morman Mountains. He said he figured some might have been used for
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a military mission involving a txic gas or spray.
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But Air Force military police told him no military activity occurred
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there during the time the sheep died. A second check of activity reports
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by a spokesman at Nellis Air Force Base confirmrd no Air Force missions
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were conducted at that time near Carp, the Morman Mountains or Morman Peak.
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Adkins said he did not contact the Department of Energy, which often
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uses helicopters to patrol the Navada Test Site, some 80 miles to the west.
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"We felt we covered that base by (contacting) the military. DOE is not in
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the area."
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As for a cult, Adkins said, "I don't think a satanic cult would have
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access to one group (of sheep). It seemed like the whole group dropped
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dead."
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That leaves the possibility that fire crews trying to douse a blaze in
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the area contaminated a drinking water supply with fire retardant
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chemicals. At low concentrations, the retardant is supposed to be
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biodegradable and of no risk to wildlife.
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The sheep were found one mile east of the state's Bertha wild game water
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development - a 30,000 gallon, plastic-lined water tank that catches runoff
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from surrounding hills through a series of pipes.
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Turner explained that slurries of the fire retardant, Phoschex, are
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sometimes mixed using water supplies that are near fires. Helicopters or
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air tankers are used to drop the slurries.
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Phoschex is the brand name for the compound diammonium phosphate,
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produced by the Monsanto Co. in southern California. It is sometimes
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colored witha dye so pilots can tell where it has been dropped. It washes
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out in rain and sometimes takes 14 days to dissolve completely, according
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to Bureau of Land Management fire chief Gary Pavusko.
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In the early 1980s, wildlife officials suspected fire retardants might
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have played a role in the deaths of 150 desert bighorns in the Morman
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Mountains. "Sheep skulls were laying all around. We think they died of
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pneumonia," Turner said.
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But Pavusko said, "We solved this four years ago. The Monsanto people
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proved there was no problem with the bighorn sheep habitat, and we didn't
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receive a letter from NDOW (Nevada Department of Wildlife) to stop using
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it."
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Pavusko did say Phoschex has been used to fight fires in the Morman
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Mountains, the last time six years ago. A soaplike, environmentally
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compatible foam is sometimes used in steep terrain, he said.
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But, to his knowledge, Phoschex has never been mixed at the Bertha water
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supply.
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"We do not drop it in riparian areas that have streams. It would take
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the oxygen out of the streams, thus killing fish," he said.
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Pavusko said there are typically five or six fires a year in the Morman
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Mountains. They are usually caused by lightning.
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Last year, there were "three or four" small fires - about a half acre
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each - caused by lightning in that area, he said. Helicopter crews
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responded and put them out with hand tools.
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"I've never run across dead sheep on a fire," he said.
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Meanwhile, wildlife officials are still trying to solve the dead sheep
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mystery. Anyone with information that could help authorities should call
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1-800-992-3030. THe information will be kept confidential.
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