Geohidrología

System and Boundary Conceptualization in Ground-Water Flow Simulation
Techniques of Water-Resources Investigations of the United States Geological Survey Book 3 Applications of Hydraulics Chapter B8

U.S. Department of the Interior U.S. Geological Survey

Availability of Publications of the U.S. Geological Survey
Order U.S. Geological Survey (USGS) publications by calling the toll-freetelephone number 1-888-ASK-USGS or contacting the of ces listed belo w. Detailed ordering instructions, along with prices of the last offerings, are given in the current-year issues of the catalog “New Publications of the U.S. Geological Survey.” Books, Maps, and Other Publications By Mail Books, maps, and other publications are available by mail from— USGS Information Services Box 25286, FederalCenter Denver, CO 80225 Publications include Professional Papers, Bulletins, WaterSupply Papers, Techniques of Water-Resources Investigations, Circulars, Fact Sheets, publications of general interest, single copies of permanent USGS catalogs, and topographic and thematic maps. Over the Counter Books, maps, and other publications of the U.S. Geological Survey are available over the counter at thefollowing USGS Earth Science Information Centers (ESIC’s), all of which are authorized agents of the Superintendent of Documents: • Anchorage, Alaska—Rm. 101, 4230 University Dr. • Denver, Colorado—Bldg. 810, Federal Center • Menlo Park, California—Rm. 3128, Bldg. 3, 345 Middle eld Rd. • Reston, Virginia—Rm. 1C402, USGS National Center, 12201 Sunrise Valley Dr. • Salt Lake City, Utah—2222 West, 2300South • Spokane, Washington—Rm. 135, U.S. Post Of ce Building, 904 West Riverside Ave. • Washington, D.C.—Rm. 2650, Main Interior Bldg., 18th and C Sts., NW. Maps only may be purchased over the counter at the following USGS of ce: • Rolla, Missouri—1400 Independence Rd. Electronically Some USGS publications, including the catalog “New Publications of the U.S. Geological Survey,” are also availableelectronically on the USGS’ s World Wide Web home page at http://www.usgs.gov Preliminary Determination of Epicenters Subscriptions to the periodical “Preliminary Determination of Epicenters” can be obtained only from the Superintendent of U.S. Geological Survey 903 National Center Reston, VA 20192 Subscription to the catalog “New Publications of the U.S. Geological Survey” Those wishing to beplaced on a free subscription list for the catalog “New Publications of the U.S. Geological Survey” should write to— Documents. Check or money order must be payable to the Superintendent of Documents. Order by mail from— Superintendent of Documents Government Printing Of ce Washington, DC 20402 Information Periodicals Many Information Periodicals products are available through the systems or formatslisted below: Printed Products Printed copies of the Minerals Yearbook and the Mineral Commodity Summaries can be ordered from the Superintendent of Documents, Government Printing Of ce (address abo ve). Printed copies of Metal Industry Indicators and Mineral Industry Surveys can be ordered from the Center for Disease Control and Prevention, National Institute for Occupational Safety and Health,Pittsburgh Research Center, P.O. Box 18070, Pittsburgh, PA 15236–0070. Mines FaxBack: Return fax service 1. Use the touch-tone handset attached to your fax machine’s telephone jack. (ISDN [digital] telephones cannot be used with fax machines.) 2. Dial (703) 648–4999. 3. Listen to the menu options and punch in the number of your selection, using the touch-tone telephone. 4. After completing yourselection, press the start button on your fax machine. CD-ROM A disc containing chapters of the Minerals Yearbook (1993– 95), the Mineral Commodity Summaries (1995–97), a statistical compendium (1970–90), and other publications is updated three times a year and sold by the Superintendent of Documents, Government Printing Of ce (address abo ve). World Wide Web Minerals information is available...