106595. Schilling, J. H.   Scenic Trips to the Geological Past: Silver City - Santa Rita - Hurley, New Mexico.   New Mexico Institute of Mining and Technology, 1959, Scenic Trips to the Geological Past, Number 5 : 43 pages with illustrations.   Softbound, previous owners name, very good condition.   Original publication, not a modern reprint.   $10.00

77539. Haigler, L.   Geologic Notes on the Delaware Basin.   New Mexico Institute of Mining and Technology, State Bureau of Mines and Mineralo Resources, 1962, NMIM&T, Circular, Number 63 : 14 pages with map.   Original envelope, softbound, minor signs of use, map in very good condition.    $15.00

77540. Schmidt, P. G. and Craddock, C.   The Geology of the Jarilla Mountains, Otero Couty, New Mexico.   New Mexico Institute of Mining and Technology, State Bureau of Mines and Mineralo Resources, 1964, NMIM&T, Bulletin, Number 82 : 55 pages with map.   Original envelope, softbound, minor signs of use, map in very good condition.    $19.00

6825. Editor.   Isochron/West, A Bulletin of Isotopic Geochronology, Containing Articles Related to Important Geological and Stratigraphical Marker Beds, many of which help to Precisely Date Fossil Bearing Stratum throughout the Western United States..   New Mexico Institute of Mining and Technology, 1971, Bulletin, 1 : 1-45.   Stapled printed wraps, very good condition.    $17.00

6831. Editor.   Isochron/West, A Bulletin of Isotopic Geochronology, Containing Articles Related to Important Geological and Stratigraphical Marker Beds, many of which help to Precisely Date Fossil Bearing Stratum throughout the Western United States..   New Mexico Institute of Mining and Technology, 1972, Bulletin, 3 : 1-32.   Stapled xerox copy, very good condition.    $5.00

6843. Editor.   Isochron/West, A Bulletin of Isotopic Geochronology, Containing Articles Related to Important Geological and Stratigraphical Marker Beds, many of which help to Precisely Date Fossil Bearing Stratum throughout the Western United States..   New Mexico Institute of Mining and Technology, 1973, Bulletin, 7 : 1-25.   Stapled printed wraps, very good condition.    $11.00

6849. Editor.   Isochron/West, A Bulletin of Isotopic Geochronology, Containing Articles Related to Important Geological and Stratigraphical Marker Beds, many of which help to Precisely Date Fossil Bearing Stratum throughout the Western United States..   New Mexico Institute of Mining and Technology, 1974, Bulletin, 9 : 1-32.   Stapled printed wraps, very good condition.    $11.00

6855. Editor.   Isochron/West, A Bulletin of Isotopic Geochronology, Containing Articles Related to Important Geological and Stratigraphical Marker Beds, many of which help to Precisely Date Fossil Bearing Stratum throughout the Western United States..   New Mexico Institute of Mining and Technology, 1975, Bulletin, 11 : 1-41.   Stapled printed wraps, very good condition.    $15.00

6858. Editor.   Isochron/West, A Bulletin of Isotopic Geochronology, Containing Articles Related to Important Geological and Stratigraphical Marker Beds, many of which help to Precisely Date Fossil Bearing Stratum throughout the Western United States..   New Mexico Institute of Mining and Technology, 1975, Bulletin, 12 : 1-12.   Stapled xerox copy, very good condition.    $4.00

6861. Editor.   Isochron/West, A Bulletin of Isotopic Geochronology, Containing Articles Related to Important Geological and Stratigraphical Marker Beds, many of which help to Precisely Date Fossil Bearing Stratum throughout the Western United States..   New Mexico Institute of Mining and Technology, 1975, Bulletin, 13 : 1-21.   Stapled printed wraps, very good condition.    $11.00

6867. Editor.   Isochron/West, A Bulletin of Isotopic Geochronology, Containing Articles Related to Important Geological and Stratigraphical Marker Beds, many of which help to Precisely Date Fossil Bearing Stratum throughout the Western United States..   New Mexico Institute of Mining and Technology, 1976, Bulletin, 15 : 1-41.   Stapled xerox copy, very good condition.    $6.00

6870. Editor.   Isochron/West, A Bulletin of Isotopic Geochronology, Containing Articles Related to Important Geological and Stratigraphical Marker Beds, many of which help to Precisely Date Fossil Bearing Stratum throughout the Western United States..   New Mexico Institute of Mining and Technology, 1976, Bulletin, 16 : 1-36.   Stapled printed wraps, very good condition.    $11.00

6879. Editor.   Isochron/West, A Bulletin of Isotopic Geochronology, Containing Articles Related to Important Geological and Stratigraphical Marker Beds, many of which help to Precisely Date Fossil Bearing Stratum throughout the Western United States..   New Mexico Institute of Mining and Technology, 1977, Bulletin, 19 : 1-18.   Stapled printed wraps, very good condition.    $11.00

6882. Editor.   Isochron/West, A Bulletin of Isotopic Geochronology, Containing Articles Related to Important Geological and Stratigraphical Marker Beds, many of which help to Precisely Date Fossil Bearing Stratum throughout the Western United States..   New Mexico Institute of Mining and Technology, 1977, Bulletin, 20 : 1-29.   Stapled printed wraps, very good condition.    $11.00

6876. Editor.   Isochron/West, A Bulletin of Isotopic Geochronology, Containing Articles Related to Important Geological and Stratigraphical Marker Beds, many of which help to Precisely Date Fossil Bearing Stratum throughout the Western United States..   New Mexico Institute of Mining and Technology, 1977, Bulletin, 18 : 1-20.   Stapled printed wraps, very good condition.    $11.00

6888. Editor.   Isochron/West, A Bulletin of Isotopic Geochronology, Containing Articles Related to Important Geological and Stratigraphical Marker Beds, many of which help to Precisely Date Fossil Bearing Stratum throughout the Western United States..   New Mexico Institute of Mining and Technology, 1978, Bulletin, 22 : 1-32.   Stapled printed wraps, very good condition.    $11.00

6891. Editor.   Isochron/West, A Bulletin of Isotopic Geochronology, Containing Articles Related to Important Geological and Stratigraphical Marker Beds, many of which help to Precisely Date Fossil Bearing Stratum throughout the Western United States..   New Mexico Institute of Mining and Technology, 1978, Bulletin, 23 : 1-31.   Stapled xerox copy, very good condition.    $5.00

6885. Editor.   Isochron/West, A Bulletin of Isotopic Geochronology, Containing Articles Related to Important Geological and Stratigraphical Marker Beds, many of which help to Precisely Date Fossil Bearing Stratum throughout the Western United States..   New Mexico Institute of Mining and Technology, 1978, Bulletin, 21 : 1-35.   Stapled printed wraps, very good condition.    $11.00

6900. Editor.   Isochron/West, A Bulletin of Isotopic Geochronology, Containing Articles Related to Important Geological and Stratigraphical Marker Beds, many of which help to Precisely Date Fossil Bearing Stratum throughout the Western United States..   New Mexico Institute of Mining and Technology, 1979, Bulletin, 26 : 1-32.   Stapled printed wraps, very good condition.    $11.00

6894. Editor.   Isochron/West, A Bulletin of Isotopic Geochronology, Containing Articles Related to Important Geological and Stratigraphical Marker Beds, many of which help to Precisely Date Fossil Bearing Stratum throughout the Western United States..   New Mexico Institute of Mining and Technology, 1979, Bulletin, 24 : 1-29.   Stapled xerox copy, very good condition.    $4.00

6897. Editor.   Isochron/West, A Bulletin of Isotopic Geochronology, Containing Articles Related to Important Geological and Stratigraphical Marker Beds, many of which help to Precisely Date Fossil Bearing Stratum throughout the Western United States..   New Mexico Institute of Mining and Technology, 1979, Bulletin, 25 : 1-30.   Stapled printed wraps, very good condition.    $11.00

7012. Editor.   Isochron/West, A Bulletin of Isotopic Geochronology, Containing Articles Related to Important Geological and Stratigraphical Marker Beds, many of which help to Precisely Date Fossil Bearing Stratum throughout the Western United States..   New Mexico Institute of Mining and Technology, 1980, Bulletin, 29 : 1-44.   Stapled printed wraps, very good condition.    $16.00

7009. Editor.   Isochron/West, A Bulletin of Isotopic Geochronology, Containing Articles Related to Important Geological and Stratigraphical Marker Beds, many of which help to Precisely Date Fossil Bearing Stratum throughout the Western United States..   New Mexico Institute of Mining and Technology, 1980, Bulletin, 28 : 1-24.   Stapled printed wraps, very good condition.    $11.00

6903. Editor.   Isochron/West, A Bulletin of Isotopic Geochronology, Containing Articles Related to Important Geological and Stratigraphical Marker Beds, many of which help to Precisely Date Fossil Bearing Stratum throughout the Western United States..   New Mexico Institute of Mining and Technology, 1980, Bulletin, 27 : 1-32.   Stapled printed wraps, very good condition.    $11.00

6911. Editor.   Isochron/West, A Bulletin of Isotopic Geochronology, Containing Articles Related to Important Geological and Stratigraphical Marker Beds, many of which help to Precisely Date Fossil Bearing Stratum throughout the Western United States..   New Mexico Institute of Mining and Technology, 1981, Bulletin, 31 : 1-34.   Stapled printed wraps, very good condition.    $11.00

6914. Editor.   Isochron/West, A Bulletin of Isotopic Geochronology, Containing Articles Related to Important Geological and Stratigraphical Marker Beds, many of which help to Precisely Date Fossil Bearing Stratum throughout the Western United States..   New Mexico Institute of Mining and Technology, 1981, Bulletin, 32 : 1-32.   Stapled printed wraps, very good condition.    $11.00

6908. Editor.   Isochron/West, A Bulletin of Isotopic Geochronology, Containing Articles Related to Important Geological and Stratigraphical Marker Beds, many of which help to Precisely Date Fossil Bearing Stratum throughout the Western United States..   New Mexico Institute of Mining and Technology, 1981, Bulletin, 30 : 1-22.   Stapled printed wraps, very good condition.    $11.00

6917. Editor.   Isochron/West, A Bulletin of Isotopic Geochronology, Containing Articles Related to Important Geological and Stratigraphical Marker Beds, many of which help to Precisely Date Fossil Bearing Stratum throughout the Western United States..   New Mexico Institute of Mining and Technology, 1982, Bulletin, 33 : 1-32.   Stapled printed wraps, one inch tear in back wrap a last few pages of text but does not impact work, very good condition.    $11.00

6920. Editor.   Isochron/West, A Bulletin of Isotopic Geochronology, Containing Articles Related to Important Geological and Stratigraphical Marker Beds, many of which help to Precisely Date Fossil Bearing Stratum throughout the Western United States..   New Mexico Institute of Mining and Technology, 1982, Bulletin, 34 : 1-20.   Stapled printed wraps, very good condition.    $11.00

6923. Editor.   Isochron/West, A Bulletin of Isotopic Geochronology, Containing Articles Related to Important Geological and Stratigraphical Marker Beds, many of which help to Precisely Date Fossil Bearing Stratum throughout the Western United States..   New Mexico Institute of Mining and Technology, 1982, Bulletin, 35 : 1-18.   Stapled printed wraps, very good condition.    $11.00

6932. Editor.   Isochron/West, A Bulletin of Isotopic Geochronology, Containing Articles Related to Important Geological and Stratigraphical Marker Beds, many of which help to Precisely Date Fossil Bearing Stratum throughout the Western United States..   New Mexico Institute of Mining and Technology, 1983, Bulletin, 38 : 1-26.   Stapled printed wraps, very good condition.    $11.00

6929. Editor.   Isochron/West, A Bulletin of Isotopic Geochronology, Containing Article Dedicated to the K-Ar Dates from Oregon.   New Mexico Institute of Mining and Technology, 1983, Bulletin, 37 : 1-60.   Stapled printed wraps, very good condition.    $22.00

6926. Editor.   Isochron/West, A Bulletin of Isotopic Geochronology, Containing Articles Related to Important Geological and Stratigraphical Marker Beds, many of which help to Precisely Date Fossil Bearing Stratum throughout the Western United States..   New Mexico Institute of Mining and Technology, 1983, Bulletin, 36 : 1-20.   Stapled printed wraps, very good condition.    $11.00

6941. Editor.   Isochron/West, A Bulletin of Isotopic Geochronology, Containing Articles Related to Important Geological and Stratigraphical Marker Beds, many of which help to Precisely Date Fossil Bearing Stratum throughout the Western United States..   New Mexico Institute of Mining and Technology, 1984, Bulletin, 41 : 1-18.   Stapled printed wraps, very good condition.    $11.00

6938. Editor.   Isochron/West, A Bulletin of Isotopic Geochronology, Containing Articles Related to Important Geological and Stratigraphical Marker Beds, many of which help to Precisely Date Fossil Bearing Stratum throughout the Western United States..   New Mexico Institute of Mining and Technology, 1984, Bulletin, 40 : 1-19.   Stapled printed wraps, very good condition.    $11.00

6944. Editor.   Isochron/West, A Bulletin of Isotopic Geochronology, Containing Articles Related to Important Geological and Stratigraphical Marker Beds, many of which help to Precisely Date Fossil Bearing Stratum throughout the Western United States..   New Mexico Institute of Mining and Technology, 1985, Bulletin, 42 : 1-19.   Stapled printed wraps, very good condition.    $11.00

6947. Editor.   Isochron/West, A Bulletin of Isotopic Geochronology, Containing Articles Related to Important Geological and Stratigraphical Marker Beds, many of which help to Precisely Date Fossil Bearing Stratum throughout the Western United States..   New Mexico Institute of Mining and Technology, 1985, Bulletin, 43 : 1-18.   Stapled printed wraps, very good condition.    $11.00

6950. Editor.   Isochron/West, A Bulletin of Isotopic Geochronology, Containing Articles Related to Important Geological and Stratigraphical Marker Beds, many of which help to Precisely Date Fossil Bearing Stratum throughout the Western United States..   New Mexico Institute of Mining and Technology, 1985, Bulletin, 44 : 1-24.   Stapled printed wraps, very good condition.    $11.00

6953. Editor.   Isochron/West, A Bulletin of Isotopic Geochronology, Containing Articles Related to Important Geological and Stratigraphical Marker Beds, many of which help to Precisely Date Fossil Bearing Stratum throughout the Western United States..   New Mexico Institute of Mining and Technology, 1986, Bulletin, 45 : 1-18.   Stapled printed wraps, very good condition.    $11.00

6956. Editor.   Isochron/West, A Bulletin of Isotopic Geochronology, Containing Articles Related to Important Geological and Stratigraphical Marker Beds, many of which help to Precisely Date Fossil Bearing Stratum throughout the Western United States..   New Mexico Institute of Mining and Technology, 1986, Bulletin, 46 : 1-19.   Stapled printed wraps, very good condition.    $11.00

6962. Editor.   Isochron/West, A Bulletin of Isotopic Geochronology, Containing Articles Related to Important Geological and Stratigraphical Marker Beds, many of which help to Precisely Date Fossil Bearing Stratum throughout the Western United States..   New Mexico Institute of Mining and Technology, 1987, Bulletin, 48 : 1-25.   Stapled printed wraps, very good condition.    $11.00

6965. Editor.   Isochron/West, A Bulletin of Isotopic Geochronology, Containing Articles Related to Important Geological and Stratigraphical Marker Beds, many of which help to Precisely Date Fossil Bearing Stratum throughout the Western United States..   New Mexico Institute of Mining and Technology, 1987, Bulletin, 49 : 1-20.   Stapled printed wraps, very good condition.    $11.00

6968. Editor.   Isochron/West, A Bulletin of Isotopic Geochronology, Containing Articles Related to Important Geological and Stratigraphical Marker Beds, many of which help to Precisely Date Fossil Bearing Stratum throughout the Western United States..   New Mexico Institute of Mining and Technology, 1987, Bulletin, 50 : 1-24.   Stapled printed wraps, very good condition.    $11.00

6971. Editor.   Isochron/West, A Bulletin of Isotopic Geochronology, Containing Articles Related to Important Geological and Stratigraphical Marker Beds, many of which help to Precisely Date Fossil Bearing Stratum throughout the Western United States..   New Mexico Institute of Mining and Technology, 1988, Bulletin, 51 : 1-28.   Stapled printed wraps, very good condition.    $11.00

6980. Editor.   Isochron/West, A Bulletin of Isotopic Geochronology, Containing Articles Related to Important Geological and Stratigraphical Marker Beds, many of which help to Precisely Date Fossil Bearing Stratum throughout the Western United States..   New Mexico Institute of Mining and Technology, 1989, Bulletin, 54 : 1-24.   Stapled xerox copy, very good condition.    $4.00

6974. Editor.   Isochron/West, A Bulletin of Isotopic Geochronology, Containing Articles Related to Important Geological and Stratigraphical Marker Beds, many of which help to Precisely Date Fossil Bearing Stratum throughout the Western United States..   New Mexico Institute of Mining and Technology, 1989, Bulletin, 52 : 1-27.   Stapled printed wraps, very good condition.    $11.00

6977. Editor.   Isochron/West, A Bulletin of Isotopic Geochronology, Containing Articles Related to Important Geological and Stratigraphical Marker Beds, many of which help to Precisely Date Fossil Bearing Stratum throughout the Western United States..   New Mexico Institute of Mining and Technology, 1989, Bulletin, 53 : 1-32.   Stapled printed wraps, very good condition.    $11.00

6983. Editor.   Isochron/West, A Bulletin of Isotopic Geochronology, Containing Articles Related to Important Geological and Stratigraphical Marker Beds, many of which help to Precisely Date Fossil Bearing Stratum throughout the Western United States..   New Mexico Institute of Mining and Technology, 1990, Bulletin, 55 : 1-31.   Stapled xerox copy, very good condition.    $5.00

6986. Editor.   Isochron/West, A Bulletin of Isotopic Geochronology, Containing Articles Related to Important Geological and Stratigraphical Marker Beds, many of which help to Precisely Date Fossil Bearing Stratum throughout the Western United States..   New Mexico Institute of Mining and Technology, 1990, Bulletin, 56 : 1-32.   Stapled printed wraps, very good condition.    $11.00

6989. Editor.   Isochron/West, A Bulletin of Isotopic Geochronology, Containing Articles Related to Important Geological and Stratigraphical Marker Beds, many of which help to Precisely Date Fossil Bearing Stratum throughout the Western United States..   New Mexico Institute of Mining and Technology, 1991, Bulletin, 57 : 1-32.   Stapled printed wraps, very good condition.    $11.00