The accident scene was examined, measurements were taken, documents obtained, and witnesses interviewed. Submissions must adhere to our Use of Service agreement. When the overburden became very thick the mine was abandoned, but in at least one area mining by underground methods was used. Crank now drives hundreds of miles a month, seeking medical care at hospitals in Flagstaff, Ariz. The mine employs 454 miners and produces approximately 8,000,000 tons of coal per year.
Roads in the Sky: The Hopi Indians in a Century of Change. Closing the auxiliary circuit breaker caused electrical power to travel from the dragline, through the trailing cable to the junction box; a direction opposite to the normal direction of power back feeding. He then turned off the generator. The Kayenta Mine supplies coal to the Navajo Generating Station near Page, Arizona. These conditions existed for a long time; were not as illustrated in the wiring diagram; and posed serious hazards to the workers. Harvey told Dandy that the ohmic value of the ground monitor circuit was fluctuating from 3 to 9 ohms and that it may be because the generator was on. Finally, a direct message from our elders living on their ancestral homelands in the former joint use area now known as the Hopi Partitioned Land: they have asked for you to stop mining on Black Mesa and to stop the forced relocation of our people immediately.
In addition, federal agencies' analysis of the permit failed to adequately consider the impacts of global warming on endangered fish in the Colorado River. Interviews with the dragline crew indicated that Grass gave permission to start the generator. Also, the phase conductors were not grounded to the system ground. With no leases renewed in 2005 and contracts unsigned, the Black Mesa mine and the coal slurry process will remain closed for at least five years. The American dream is clean air and pure water and a sustainable economy based on clean technology and renewable energy. .
As a result, the and coal deposits of Black Mesa were more extensively studied; and in 1961 and 1964 Sentry Royalty Company, a subsidiary of Peabody Coal Company, was issued drilling and exploration permits on the Mesa to determine areas where coal could be economically recovered. The leased areas, mines, and facilities were collectively termed the Black Mesa Complex. Possibilities include sending the coal to a different power plant or simply building a power plant on Black Mesa. Coal has made us economically dependent on our own cultural destruction. The students really put their hearts into it.
He had also recently received electrical refresher training. Office of Surface Mining Reclamation and Enforcement. The complexity of the issue challenges all stakeholders to come up with creative, positive solutions to protect groundwater for future generations. All the Management and Co-workers were friendly, and everyone got along. But one concern overarches all: the concern for the protection of the water. Later in the spring of 1981 I started to work for the Engineering Planning Group.
Efforts to Save the Mine The scheduled closing of the Black Mesa mine has been met with mixed emotions. Peabody has continued mining at the Kayenta mine despite revocation of Peabody's life-of-mine permit. New Opportunities on the Horizon As the tribes face the challenges of protecting the aquifers and replenishing lost income, they also have the opportunity to make great and lasting transitions. Navajo Dine Don Yellowman and Fern Benally in St. Article assembled by Sandra Cosentino Use of coal for fuel goes back centuries at Hopi. While conducting this work, one of the qualified electricians was fatally injured when the auxiliary power supply circuit was energized and backfed through the main on-board transformers and to the trailing cable. This permit allows Peabody Energy to consolidate the Black Mesa and Kayenta mines into a massive, 65,000-acre mine complex.
The generator circuit used on that machine was provided with controls and switches that were safely designed, installed and maintained. The 2004 proposal would have expanded mining by 20 percent, extended the usage of the Navajo Aquifer, and make way for a coal-washing facility. November 2010 In 1964, Peabody Energy then Peabody Western Coal , a energy company based in the , signed a with the Navajo Tribe and two years later with the Hopi Tribe, allowing the company mineral rights and use of an. The 400 ampere General Electric main circuit breaker had a 225 ampere trip unit No. This was a close knit office and employees cooperated well together. Root Cause: Management allowed unqualified persons to energize the auxiliary power supply on the dragline whose lack of knowledge and understanding of electrical circuits and circuit breaker switching resulted in a fatal electrical accident. The pollution from Kayenta Mine on Black Mesa is visible every day.
From the survey notes I had to draw the angles turned and the distances for various points at the mine site. Wells Environmental Law Clinic under the direction of Sean B. The water is used primarily for dust control, with about 60 acre-feet made available to area residents. Hopi spiritual leaders actually sued their own council, claiming it lacked the authority to negotiate mineral leases for the Hopi people. Any deal to acquire the mine and the largest coal plant in the West will involve not only the price, but also the clean-up liability.