메뉴 건너뛰기




Volumn 2, Issue 1, 1996, Pages 9-22

New idria serpentinite: A land management dilemma

Author keywords

[No Author keywords available]

Indexed keywords

ASBESTOS; CHRYSOTILE; LAND MANAGEMENT; REMEDIATION; SERPENTINIZATION; TECTONICS; TOXICITY;

EID: 0030513012     PISSN: 10787275     EISSN: None     Source Type: Journal    
DOI: 10.2113/gseegeosci.ii.1.9     Document Type: Article
Times cited : (36)

References (76)
  • 3
    • 0000222596 scopus 로고
    • Geochemical evidence of present day serpentinization
    • BARNES, I.; LAMARCHE, V. C.; AND HIMMELBERG, G., 1967, Geochemical evidence of present day serpentinization: Science, Vol. 156, pp. 830-832.
    • (1967) Science , vol.156 , pp. 830-832
    • Barnes, I.1    Lamarche, V.C.2    Himmelberg, G.3
  • 4
    • 0023510694 scopus 로고
    • Mercury ores from the New Idria mining district, California; geochemical and stable isotope studies
    • BOCTOR, N. Z.; SHIEH, Y.N.; AND KULLERUD, G., 1987, Mercury ores from the New Idria mining district, California; geochemical and stable isotope studies: Geochimicae et Cosmochimica Acta, Vol. 51, No. 6, pp. 1705-1715.
    • (1987) Geochimicae et Cosmochimica Acta , vol.51 , Issue.6 , pp. 1705-1715
    • Boctor, N.Z.1    Shieh, Y.N.2    Kullerud, G.3
  • 5
    • 0008619608 scopus 로고
    • The world landslide problem
    • BRABB, E. E., 1991, The world landslide problem: Episodes, Vol. 14, No. 1, pp. 52-61.
    • (1991) Episodes , vol.14 , Issue.1 , pp. 52-61
    • Brabb, E.E.1
  • 6
    • 5244271873 scopus 로고
    • The California asbestos industry
    • Sparks, Nevada, Nevada Bureau of Mines Report, Nevada Bureau of Mines, Reno, NV
    • BRIGHT, J. H., 1965, The California asbestos industry, in Southwest Mineral Industry Conference, Sparks, Nevada, Nevada Bureau of Mines Report, Vol. 13, No. part B: Nevada Bureau of Mines, Reno, NV, pp. 1-10.
    • (1965) Southwest Mineral Industry Conference , vol.13 , Issue.PART B , pp. 1-10
    • Bright, J.H.1
  • 7
    • 5244234722 scopus 로고
    • Personal communication, March, Dick Vance, President, KCAC Inc., P. O. Box K, King City, CA 93930
    • KCAC INC., 1995, Personal communication, March, Dick Vance, President, KCAC Inc., P. O. Box K, King City, CA 93930.
    • (1995)
  • 9
    • 0021557942 scopus 로고
    • Depositional facies of sedimentary serpentinite; selected examples from the Coast Ranges, California
    • Field Trip No. 3
    • CARLSON, C., 1984, Depositional facies of sedimentary serpentinite; selected examples from the Coast Ranges, California, in the Pacific Section of the Society of Economic Paleontologists and Mineralogists Guidebook. Field Trip No. 3, Vol. 3, pp. 73-126.
    • (1984) Pacific Section of the Society of Economic Paleontologists and Mineralogists Guidebook , vol.3 , pp. 73-126
    • Carlson, C.1
  • 10
    • 5244358751 scopus 로고
    • Sedimentary serpentinite of the Miocene Big Blue Formation near Cantua Creek, California
    • CASEY, T. A. L. AND DICKINSON, W. R., 1976, Sedimentary serpentinite of the Miocene Big Blue Formation near Cantua Creek, California: American Association of Petroleum Geologists Bulletin, Vol. 60, No. 12, p. 2177.
    • (1976) American Association of Petroleum Geologists Bulletin , vol.60 , Issue.12 , pp. 2177
    • Casey, T.A.L.1    Dickinson, W.R.2
  • 11
    • 0022541642 scopus 로고
    • Asbestos content in long-term residents of a chrysotile mining town
    • CHURG, A. L., 1986, Asbestos content in long-term residents of a chrysotile mining town: American Review of Respiratory Disease, Vol. 134, No. 1, pp. 125-127.
    • (1986) American Review of Respiratory Disease , vol.134 , Issue.1 , pp. 125-127
    • Churg, A.L.1
  • 13
    • 84874716273 scopus 로고
    • Petrologic and geophysical nature of serpentinites
    • COLEMAN, R. G., 1971, Petrologic and geophysical nature of serpentinites: Geological Society of America Bulletin, Vol. 82, pp. 897-918.
    • (1971) Geological Society of America Bulletin , vol.82 , pp. 897-918
    • Coleman, R.G.1
  • 14
    • 0345169637 scopus 로고
    • Tectonic inclusions in serpentinites
    • COLEMAN, R. G., 1980, Tectonic inclusions in serpentinites: Archives des Science Genève, Vol. 33, pp. 89-102.
    • (1980) Archives Des Science Genève , vol.33 , pp. 89-102
    • Coleman, R.G.1
  • 16
    • 0002269820 scopus 로고
    • Geological origin of serpentinites
    • Proctor, J.; Baker, A. J. M.; and Reeves, R. D. (editors), Intercept, Andover, U. K.
    • COLEMAN, R. G. AND JOVE, C., 1993, Geological origin of serpentinites, In Proctor, J.; Baker, A. J. M.; and Reeves, R. D. (editors), The Vegetation of Ultramafic (Serpentine) Soils: Intercept, Andover, U. K., pp. 1-17.
    • (1993) The Vegetation of Ultramafic (Serpentine) Soils , pp. 1-17
    • Coleman, R.G.1    Jove, C.2
  • 17
    • 77957248157 scopus 로고
    • A chemical study of serpentinization, Burro Mountain, California
    • COLEMAN, R. G. AND KEITH, T. E., 1971, A chemical study of serpentinization, Burro Mountain, California: Journal of Petrology, Vol. 12, pp. 311-328
    • (1971) Journal of Petrology , vol.12 , pp. 311-328
    • Coleman, R.G.1    Keith, T.E.2
  • 18
    • 0018654183 scopus 로고
    • Chrysotile asbestos in a California recreational area
    • COOPER, W. C.; MURCHIO, J.; AND WENK, H. R., 1979, Chrysotile asbestos in a California recreational area: Science, Vol. 206, No. 4419, pp. 685-688.
    • (1979) Science , vol.206 , Issue.4419 , pp. 685-688
    • Cooper, W.C.1    Murchio, J.2    Wenk, H.R.3
  • 19
    • 5244257598 scopus 로고
    • Serpentinite flows on Joaquin ridge, southern Coast Ranges, California
    • COWAN, D. S. AND MANSFIELD, C. F., 1979, Serpentinite flows on Joaquin ridge, southern Coast Ranges, California: Geological Society of America Bulletin, Vol. 81, No. 9, pp. 2615-2628.
    • (1979) Geological Society of America Bulletin , vol.81 , Issue.9 , pp. 2615-2628
    • Cowan, D.S.1    Mansfield, C.F.2
  • 20
    • 5244340378 scopus 로고
    • Asbestos: The hazard, the risk, and public policy
    • Foster, K. R.; Bernstein, D. E.; and Huber, P. W. (editors), The MIT Press, Cambridge, MA
    • D'AGOSTINO, R. AND WILSON, R., 1993, Asbestos: The hazard, the risk, and public policy. In Foster, K. R.; Bernstein, D. E.; and Huber, P. W. (editors), Phantom Risk: The MIT Press, Cambridge, MA, 457 p.
    • (1993) Phantom Risk
    • D'Agostino, R.1    Wilson, R.2
  • 22
    • 0038271467 scopus 로고
    • Sedimentary serpentinite of the Miocene Big Blue Formation near Cantua Creek, California
    • Fittsche, A. E.; Ter Best, H. Jr.; and Wornardt, W. W., the Neogene symposium; selected technical papers on paleontology, sedimentology, petrology: 91st Annual meeting of the Pacific Section of the Society of Economic Paleontologists, and Mineralogists (SEPM), San Francisco, CA
    • DICKINSON, W. R. AND CASEY, T. A. L., 1976, Sedimentary serpentinite of the Miocene Big Blue Formation near Cantua Creek, California. In Fittsche, A. E.; Ter Best, H. Jr.; and Wornardt, W. W., Tectonics and Geologic history of the Pacific Coast of North America, the Neogene symposium; selected technical papers on paleontology, sedimentology, petrology: 91st Annual meeting of the Pacific Section of the Society of Economic Paleontologists, and Mineralogists (SEPM), San Francisco, CA, pp. 65-74.
    • (1976) Tectonics and Geologic History of the Pacific Coast of North America , pp. 65-74
    • Dickinson, W.R.1    Casey, T.A.L.2
  • 23
    • 0003088748 scopus 로고
    • Quicksilver deposits of the New Idria district, San Benito and Fresno counties, California
    • ECKEL, E. B. AND MYERS, W. B., 1946, Quicksilver deposits of the New Idria district, San Benito and Fresno counties, California; Bulletin of the California Division of Mines and Geology, Vol. 42, pp. 81-124.
    • (1946) Bulletin of the California Division of Mines and Geology , vol.42 , pp. 81-124
    • Eckel, E.B.1    Myers, W.B.2
  • 24
    • 5244287235 scopus 로고
    • personal communication, Professor of Geology, Department of Geological and Environmental Sciences, Stanford University, Stanford, CA 94305-2225
    • GRAHAM, STEPHANA, 1995, personal communication, Professor of Geology, Department of Geological and Environmental Sciences, Stanford University, Stanford, CA 94305-2225
    • (1995)
    • Graham, S.1
  • 25
    • 84879885201 scopus 로고
    • Oligocene and Miocene paleogeography of central California and displacement along the San Andreas fault
    • GRAHAM, S. A.; STANLEY, R. G.; BENT, J. V.; AND CARTER, J. B., 1989, Oligocene and Miocene paleogeography of central California and displacement along the San Andreas fault: Geological Society of America Bulletin, Vol. 101, pp. 711-730.
    • (1989) Geological Society of America Bulletin , vol.101 , pp. 711-730
    • Graham, S.A.1    Stanley, R.G.2    Bent, J.V.3    Carter, J.B.4
  • 27
    • 0002167482 scopus 로고
    • U.S. Geological Survey Professional Paper 1487: U.S. Geological Survey, Denver, CO
    • HARP, E. L. AND KEEPER, D. K., 1990, Landslides Triggered by the Earthquake, U.S. Geological Survey Professional Paper 1487: U.S. Geological Survey, Denver, CO, pp. 335-347.
    • (1990) Landslides Triggered by the Earthquake , pp. 335-347
    • Harp, E.L.1    Keeper, D.K.2
  • 28
    • 0028603796 scopus 로고
    • Rates of continental erosion and mountain building
    • HARRISON, C. G. A., 1994, Rates of continental erosion and mountain building: Geol Rundsch, Vol. 83, pp. 431-447.
    • (1994) Geol Rundsch , vol.83 , pp. 431-447
    • Harrison, C.G.A.1
  • 30
    • 0001878107 scopus 로고
    • Coast Range ophiolite, western California
    • Ernst, W. G. (editor), Prentice-Hall, Englewood Cliffs, NJ
    • HOPSON, C. A.; MATTINSON, J. M.; AND PESSAGNO, E. A., 1981, Coast Range ophiolite, western California. In Ernst, W. G. (editor), The Geotectonic Development of California, Vol. 1: Prentice-Hall, Englewood Cliffs, NJ, pp. 418-510.
    • (1981) The Geotectonic Development of California , vol.1 , pp. 418-510
    • Hopson, C.A.1    Mattinson, J.M.2    Pessagno, E.A.3
  • 32
    • 0004013272 scopus 로고
    • State of Oregon Department of Geology and Mineral Industry Bulletin, Oregon Department of Geology and Mineral Industry, Portland, OR
    • IRWIN, W. P., 1977, Ophiolitic Terranes of California, Oregon, and Nevada, State of Oregon Department of Geology and Mineral Industry Bulletin, Vol. 95: Oregon Department of Geology and Mineral Industry, Portland, OR, pp. 75-92
    • (1977) Ophiolitic Terranes of California, Oregon, and Nevada , vol.95 , pp. 75-92
    • Irwin, W.P.1
  • 34
    • 5244378936 scopus 로고
    • Personal communication, March, KCAC Inc., P. O. Box K, King City, CA 93930
    • KCAC INC., 1995, Personal communication, March, KCAC Inc., P. O. Box K, King City, CA 93930.
    • (1995)
  • 35
    • 0007102561 scopus 로고
    • California serpentinites: Flora, vegetation, geology, soils, and management problems
    • KRUCKEBERG, A. R., 1984, California serpentinites: flora, vegetation, geology, soils, and management problems: University of California Publications in Botany, Vol. 78, 168 p.
    • (1984) University of California Publications in Botany , vol.78
    • Kruckeberg, A.R.1
  • 36
    • 0001400706 scopus 로고
    • Sedimentary and gravity-slide emplacement of serpentinite
    • LOCKWOOD, J. P., 1971, Sedimentary and gravity-slide emplacement of serpentinite: Geological Society of America Bulletin, Vol. 82, No. 4, pp. 919-936.
    • (1971) Geological Society of America Bulletin , vol.82 , Issue.4 , pp. 919-936
    • Lockwood, J.P.1
  • 37
    • 5244260570 scopus 로고
    • Structure and petrology of the Alpine-type Peridotite at Burro Mountain, California, USA
    • LONEY, R. A.; HIMMELBERG, G. R.; AND COLEMAN, R. G., 1971, Structure and petrology of the Alpine-type Peridotite at Burro Mountain, California, USA: Journal of Petrology, Vol. 12, pp. 245-309.
    • (1971) Journal of Petrology , vol.12 , pp. 245-309
    • Loney, R.A.1    Himmelberg, G.R.2    Coleman, R.G.3
  • 38
    • 0022273509 scopus 로고
    • Health implications of environmental exposure to asbestos
    • MCDONALD, J. C., 1985, Health implications of environmental exposure to asbestos: Environmental Health Perspectives, Vol. 62, pp. 319-328.
    • (1985) Environmental Health Perspectives , vol.62 , pp. 319-328
    • Mcdonald, J.C.1
  • 39
    • 0028938974 scopus 로고
    • Chrysotile, tremolite, and mesothelioma
    • MCDONALD, J. C. AND MCDONALD, A. D., 1995, Chrysotile, tremolite, and mesothelioma: Science (letter), Vol. 267, pp. 778-779.
    • (1995) Science (Letter) , vol.267 , pp. 778-779
    • McDonald, J.C.1    McDonald, A.D.2
  • 40
    • 5244375484 scopus 로고
    • California asbestos goes to market
    • MERRITT, P. C., 1962, California asbestos goes to market: Mining Engineering, Vol. 14, pp. 57-60.
    • (1962) Mining Engineering , vol.14 , pp. 57-60
    • Merritt, P.C.1
  • 42
    • 0016504554 scopus 로고
    • Mineralogy and origin of the Coalinga asbestos deposit
    • MUMPTON, F. A. AND THOMPSON, C. S., 1975, Mineralogy and origin of the Coalinga asbestos deposit: Clays and Clay Minerals, Vol. 23, pp. 131-143.
    • (1975) Clays and Clay Minerals , vol.23 , pp. 131-143
    • Mumpton, F.A.1    Thompson, C.S.2
  • 43
    • 5244366858 scopus 로고
    • Coalinga asbestos fiber, a newcomer to the asbestos industry
    • MUNRO, R. C. AND REIM, K. M., 1962, Coalinga asbestos fiber, a newcomer to the asbestos industry: Canadian Mining Journal, August, pp. 45-50.
    • (1962) Canadian Mining Journal , vol.AUGUST , pp. 45-50
    • Munro, R.C.1    Reim, K.M.2
  • 45
    • 5244271872 scopus 로고
    • A mortality study of workers manufacturing friction materials, 1941-86
    • NEWHOUSE, M. I. AND SULLIVAN, K. R., 1989, A mortality study of workers manufacturing friction materials, 1941-86: British Journal of Industrial Medicine, Vol. 42, No. 6, pp. 397-402.
    • (1989) British Journal of Industrial Medicine , vol.42 , Issue.6 , pp. 397-402
    • Newhouse, M.I.1    Sullivan, K.R.2
  • 47
    • 0003763924 scopus 로고
    • National Academy of Science, Washington, DC
    • NATIONAL ACADEMY OF SCIENCE, 1984, Asbesliform Fibers: Nonoccupational Health Risks: National Academy of Science, Washington, DC, 334 p.
    • (1984) Asbesliform Fibers: Nonoccupational Health Risks
  • 48
    • 5244323231 scopus 로고
    • Health hazards of asbestos exposure
    • New York Academy of Science, New York, NY
    • NEW YORK ACADEMY OF SCIENCE, 1979, Health hazards of asbestos exposure, in Health Hazards of Asbestos Exposure, Vol. 330: New York Academy of Science, New York, NY.
    • (1979) Health Hazards of Asbestos Exposure , vol.330
  • 50
    • 84879881522 scopus 로고
    • Thrusting of the central California margin over the edge of the Pacific plate during the transform regime
    • PAGE, B. M. AND BROCHER, T. M, 1993, Thrusting of the central California margin over the edge of the Pacific plate during the transform regime: Geology, Vol. 21, pp. 635-638.
    • (1993) Geology , vol.21 , pp. 635-638
    • Page, B.M.1    Brocher, T.M.2
  • 51
    • 5244375483 scopus 로고
    • Chrysotile asbestos in a vehicular recreation area: A case study
    • Webb, R. H. AND Wilshire, H. G. (editors), Springer-Verlag, New York, NY
    • POPENDORF, W. AND WENK, H.-R., 1983, Chrysotile asbestos in a vehicular recreation area: a case study. In Webb, R. H. AND Wilshire, H. G. (editors), Environmental Effects of Off-Road Vehicles: Impacts and management in Arid Regions: Springer-Verlag, New York, NY, pp. 375-396.
    • (1983) Environmental Effects of Off-Road Vehicles: Impacts and Management in Arid Regions , pp. 375-396
    • Popendorf, W.1    Wenk, H.-R.2
  • 53
    • 5244253051 scopus 로고
    • PTI Environmental Services, PTI Contract C871-08 for U. S. Bureau of Land Management, Hollister, CA
    • PTI, 1992, Human Health Risk Assessment for the Clear Creek Management Area: PTI Environmental Services, PTI Contract C871-08 for U. S. Bureau of Land Management, Hollister, CA.
    • (1992) Human Health Risk Assessment for the Clear Creek Management Area
  • 56
    • 5244308640 scopus 로고
    • California Division of Mines and Geology Mineral Information Service, California Division of Mines and Geology, Sacramento, CA
    • RICE, S. J., 1963, California Asbestos Industry, California Division of Mines and Geology Mineral Information Service, Vol. 16, No. 9: California Division of Mines and Geology, Sacramento, CA, pp. 1-7.
    • (1963) California Asbestos Industry , vol.16 , Issue.9 , pp. 1-7
    • Rice, S.J.1
  • 57
    • 0024903248 scopus 로고
    • Paleoceanography and tectonic setting of the Jurassic Coast Range ophiolite, central California: Evidence from extrusive rocks and the volcaniclastic sediment cover
    • ROBERTSON, A. H. F., 1989, Paleoceanography and tectonic setting of the Jurassic Coast Range ophiolite, central California: evidence from extrusive rocks and the volcaniclastic sediment cover: Marine and Petroleum Geology, Vol. 6, pp. 194-219.
    • (1989) Marine and Petroleum Geology , vol.6 , pp. 194-219
    • Robertson, A.H.F.1
  • 58
    • 5244281235 scopus 로고
    • Mineral dusts, chemicals, chronic disease, and cancer: The dose makes the poison
    • Annual meeting, Boston, MA
    • ROSS, M., 1993, Mineral dusts, chemicals, chronic disease, and cancer: the dose makes the poison: Geological Society of America Abstracts with Programs, Annual meeting, Boston, MA.
    • (1993) Geological Society of America Abstracts with Programs
    • Ross, M.1
  • 59
  • 62
    • 5244329254 scopus 로고
    • Geological Society of America Report on Geology and Public Policy: Geological Society of America, Boulder, CO, No. 012
    • SKINNER, H. C. W. AND ROSS, M., 1988, Fibrous Minerals, Mining, and Disease, Geological Society of America Report on Geology and Public Policy: Geological Society of America, Boulder, CO, No. 012.
    • (1988) Fibrous Minerals, Mining, and Disease
    • Skinner, H.C.W.1    Ross, M.2
  • 63
    • 0344714850 scopus 로고
    • Minerals and cancer
    • SKINNER, H. C. W. AND ROSS, M., 1994, Minerals and cancer: Geotimes, Vol. 39, No. 1, pp. 13-14.
    • (1994) Geotimes , vol.39 , Issue.1 , pp. 13-14
    • Skinner, H.C.W.1    Ross, M.2
  • 64
    • 0021598815 scopus 로고
    • Seismic potential revealed by surface folding: 1983 Coalinga, California, earthquake
    • STEIN, R. S. AND KING, G. C. P., 1984, Seismic potential revealed by surface folding: 1983 Coalinga, California, earthquake: Science, Vol. 224, pp. 869-871.
    • (1984) Science , vol.224 , pp. 869-871
    • Stein, R.S.1    King, G.C.P.2
  • 65
    • 5244270083 scopus 로고
    • U. S. Bureau of Land Management, Contract. No CA950-rfp7-13 J-325: U. S. Bureau of Land Management, Washington, DC
    • TAYLOR, D., 1990, Ecology and Life-History of the San Benito Evening Primrose (Camissonia), U. S. Bureau of Land Management, Contract. No CA950-rfp7-13 J-325: U. S. Bureau of Land Management, Washington, DC.
    • (1990) Ecology and Life-History of the San Benito Evening Primrose (Camissonia)
    • Taylor, D.1
  • 69
    • 0018646239 scopus 로고
    • Influence of dose and five types of respiratory malignancy risk in asbestos cement manufacturing
    • WEILL, H.; HUGHES, J.; AND WAGGESPACK, C., 1979, Influence of dose and five types of respiratory malignancy risk in asbestos cement manufacturing: American Review of Respiratory Disease, Vol. 120, No. 2, pp. 345-354.
    • (1979) American Review of Respiratory Disease , vol.120 , Issue.2 , pp. 345-354
    • Weill, H.1    Hughes, J.2    Waggespack, C.3
  • 70
    • 0024525429 scopus 로고
    • The style of late Cenozoic deformation in the eastern front of the California Coast Ranges
    • WENTWORTH, C. M. AND ZOBACK, M. D., 1989, The style of late Cenozoic deformation in the eastern front of the California Coast Ranges: Tectonics, Vol. 8, pp. 237-246.
    • (1989) Tectonics , vol.8 , pp. 237-246
    • Wentworth, C.M.1    Zoback, M.D.2
  • 72
    • 0000484529 scopus 로고
    • Tectonic wedging associated with emplacement of the Franciscan assemblage, California Coast Ranges
    • Blake, M. C. J. (editor), Society of Economic Paleontologists and Mineralogists, Pacific Section, Los Angeles, CA
    • WENTWORTH, C. M.; BLAKE, M. C. J.; JONES, D. L.; AND WALTER, A. W., 1984, Tectonic wedging associated with emplacement of the Franciscan assemblage, California Coast Ranges. In Blake, M. C. J. (editor), Franciscan Geology of Northern California: Society of Economic Paleontologists and Mineralogists, Pacific Section, Los Angeles, CA, pp. 163-173.
    • (1984) Franciscan Geology of Northern California , pp. 163-173
    • Wentworth, C.M.1    Blake, M.C.J.2    Jones, D.L.3    Walter, A.W.4
  • 73
    • 5244318224 scopus 로고
    • Structure of the Parkfield region, California, from geology and geophysics compiled in a Geographic Information System
    • WENTWORTH, C. M.; JACHENS, R. C.; SIMPSON, R. W.; AND MICHAEL, A. J., 1992, Structure of the Parkfield region, California, from geology and geophysics compiled in a Geographic Information System: Transactions, American Geophysical Union, Vol. 73, p. 396
    • (1992) Transactions, American Geophysical Union , vol.73 , pp. 396
    • Wentworth, C.M.1    Jachens, R.C.2    Simpson, R.W.3    Michael, A.J.4
  • 76
    • 5244268618 scopus 로고
    • Asbestos in California
    • WOOLSEY, W. J., 1922, Asbestos in California: Pacific Mineral News, Vol. 1, No. 4, pp. 104-106.
    • (1922) Pacific Mineral News , vol.1 , Issue.4 , pp. 104-106
    • Woolsey, W.J.1


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.