Additions to Geophysics Capabilities pages:

Add to introductory paragraphs, above the paragraph on GUMP. Put
\"Mineral Resources Program\" in red and link to

Add this paragraph:

The Mineral Resource Program (MRP) maintains capabilities in remote
sensing, imaging spectroscopy \[link to http://speclab.cr.usgs.gov/\],
gravity, magnetic, electrical, electromagnetic, gamma-ray,
magnetotelluric, and ground-penetrating radar techniques. These methods
are applied in mineral resource, mineral environmental, and general
geologic investigations.

Add these names to the Expertise Section on the introductory pages:

Regional and Geologic Expertise:

[Alaska - Saltus, Kulik, Campbell]{.underline}

[Antarctica - Finn]{.underline}

[Arizona - Gettings, Finn, Phillips]{.underline}

[Colorado - Bankey, Campbell]{.underline}

[Eastern States - Daniels, Snyder]{.underline}

[Florida - Fitterman]{.underline}

[Idaho - Bankey, McCafferty]{.underline}

[Mid-Continent - Daniels, Phillips]{.underline}

[Montana - McCafferty, Bankey]{.underline}

[Nevada - Grauch, Saltus]{.underline}

[New Mexico - Grauch]{.underline}

[Pacific Northwest - Finn, Blank]{.underline}

[Utah - Bankey, Campbell]{.underline}

[Wyoming - Kucks, Finn]{.underline}

[Process Expertise:]{.underline}

[Basin analysis - Saltus, Phillips, Grauch]{.underline}

[Ground water studies - Grauch, Fitterman, Lucius, Powers, Horton,
Campbell, Bisdorf]{.underline}

[Mineral resources - Daniels, Saltus, Bankey, Wynn, Grauch, Gettings,
McCafferty, Smith, Duval, Kulik, Blank, Kleinkopf, Phillips, Knepper,
Livo, Rowan, Crowley]{.underline}

[Mineral environmental studies - McCafferty, Campbell, Knepper, Livo,
Swayze, Clark, King, Kolaly, Rowan, Crowley]{.underline}

[Volcano-related processes - Finn]{.underline}

[Add to end to introductory pages on geophysics:]{.underline}

[Geophysical databases]{.underline}

[ Aeromagnetic\--Efforts are being made to archive on CD-ROM all the
digitized aeromagnetic data from early analog surveys that have been
used in various whole state compilations. Target date for release to the
public is January 2000. A reference database containing all the
specifications for most public domain airborne geophysical surveys has
been established. It is currently being annotated to show which surveys
have been digitized. Whole state aeromagnetic maps have been compiled
for many of the western states. It is expected they will be released on
the World Wide Web before the end of 1998.]{.underline}

[Bibliographies and location maps of selected publications containing
airborne geophysical data are available as Open-File Reports 91-370-A
through F. Most states have been updated and draft copies of individual
states can be obtained for internal use only.]{.underline}

[General Contact:]{.underline}

[Victor F. Labson]{.underline}

[USGS, MS 964]{.underline}

[Denver Federal Center]{.underline}

[Denver, CO 80225]{.underline}

[(303) 236-1312]{.underline}

[ GEO-CRG-MRS]{.underline}

[Add a category for Contacts under Remote Sensing, then add these
names:]{.underline}

[Contacts:]{.underline}

[Daniel H. Knepper, Jr.]{.underline}

[USGS, MS 973]{.underline}

[Denver Federal Center]{.underline}

[Denver, CO 80225]{.underline}

[ (303) 236-1385]{.underline}

[ dknepper@usgs.gov]{.underline}

[ GEO-CRG-MRS]{.underline}

[ Keith E. Livo]{.underline}

[ USGS, MS 964]{.underline}

[ Denver Federal Center]{.underline}

[ Denver, CO 80225]{.underline}

[ (303) 236-1388]{.underline}

[ elivo@usgs.gov]{.underline}

[ GEO-CRG-MRS]{.underline}

[Add to Gravity Section:]{.underline}

[Put at end of Techniques:]{.underline}

[Bibliographies and location maps of selected publications containing
gravity data have been compiled for most states. Draft copies of
individual states can be obtained for internal use only.]{.underline}

[Contacts:]{.underline}

[ David L. Daniels]{.underline}

[ USGS, MS 954]{.underline}

[ 12201 Sunrise Valley Drive]{.underline}

[ Reston, VA 20192]{.underline}

[ (703) 648-6357]{.underline}

[ dave@usgs.gov]{.underline}

[ GEO-ERG-MRS]{.underline}

[ Richard W. Saltus]{.underline}

[ USGS, MS 964]{.underline}

[ Denver Federal Center]{.underline}

[Denver, CO 80225]{.underline}

[ (303) 236-1375]{.underline}

[ saltus@usgs.gov]{.underline}

[ GEO-CRG-MRS]{.underline}

[ Viki Bankey]{.underline}

[ USGS, MS 964]{.underline}

[ Denver Federal Center]{.underline}

[Denver, CO 80225]{.underline}

[ (303) 236-1348]{.underline}

[ viki@usgs.gov]{.underline}

[ GEO-CRG-MRS]{.underline}

[ Mark E. Gettings]{.underline}

[ E.N.R. Building]{.underline}

[ 520 N. Park Avenue]{.underline}

[ Tucson, AZ 85719]{.underline}

[ (520) 670-5507]{.underline}

[ mgetting@usgs.gov]{.underline}

[ GEO-WRG-MRS]{.underline}

[ Michael W. Webring]{.underline}

[ USGS, MS 964]{.underline}

[ Denver Federal Center]{.underline}

[Denver, CO 80225]{.underline}

[ (303) 236-1392]{.underline}

[ mwebring@usgs.gov]{.underline}

[ GEO-CRG-MRS]{.underline}

[ Stephen L. Snyder]{.underline}

[ USGS, MS 954]{.underline}

[ 12201 Sunrise Valley Drive]{.underline}

[ Reston, VA 20192]{.underline}

[ (703) 648-6384]{.underline}

[ ssnyder@usgs.gov]{.underline}

[ GEO-ERG-MRS]{.underline}

[ Richard H. Blank, Jr.]{.underline}

[ U.S. Courthouse]{.underline}

[ West 920 Riverside Avenue]{.underline}

[ Spokane, WA 99201]{.underline}

[ (509) 353-2167]{.underline}

[ dblank@usgs.gov]{.underline}

[ GEO-WRG-MRS]{.underline}

[ Merlin D. Kleinkopf]{.underline}

[ USGS, MS 964]{.underline}

[ Denver Federal Center]{.underline}

[Denver, CO 80225]{.underline}

[ (303) 236-1412]{.underline}

[ mkleink@usgs.gov]{.underline}

[ GEO-CRG-MRS]{.underline}

[Patricia L. Hill]{.underline}

[USGS, MS 964]{.underline}

[Denver Federal Center]{.underline}

[Denver, CO 80225]{.underline}

[(303) 236-1343]{.underline}

[pathill@usgs.gov]{.underline}

[GEO-CRG-MRP]{.underline}

[Robert P. Kucks]{.underline}

[USGS, MS 964]{.underline}

[Denver Federal Center]{.underline}

[Denver, CO 80225]{.underline}

[(303) 236-1405]{.underline}

[rkucks@usgs.gov]{.underline}

[Add to Paleomagnetic and Rock Magnetic Section]{.underline}

[Contacts:]{.underline}

[ Richard L. Reynolds]{.underline}

[ USGS, MS 980 ]{.underline}

[Denver Federal Center]{.underline}

[ Denver, CO 80225]{.underline}

[ (303) 236-1303]{.underline}

[ rreynolds@usgs.gov]{.underline}

[ GEO-CRG-CLH]{.underline}

[ Joseph G. Rosenbaum]{.underline}

[ USGS, MS 980 ]{.underline}

[Denver Federal Center]{.underline}

[ Denver, CO 80225]{.underline}

[ (303) 236-1304]{.underline}

[ jrosenbaum@usgs.gov]{.underline}

[ GEO-CRG-CLH]{.underline}

[Add to Electrical geophysical data-acquisition system
section]{.underline}

[Contacts:]{.underline}

[Victor F. Labson]{.underline}

[ USGS, MS 964]{.underline}

[Denver Federal Center]{.underline}

[ Denver, CO 80225]{.underline}

[ (303) 236-1312]{.underline}

[ vlabson@usgs.gov]{.underline}

[ GEO-CRG-MRS]{.underline}

[ Jeffrey C. Wynn]{.underline}

[ USGS, MS 954]{.underline}

[ 12201 Sunrise Valley Drive ]{.underline}

[ Reston, VA 20192]{.underline}

[ (703) 648-6490]{.underline}

[ jwynn@usgs.gov]{.underline}

[ GEO-ERG-MRS]{.underline}

[Add to Magnetic section]{.underline}

[Contacts:]{.underline}

[ Jeffrey D. Phillips]{.underline}

[USGS, MS 964]{.underline}

[Denver Federal Center]{.underline}

[Denver, CO 80225]{.underline}

[ (303) 236-1206]{.underline}

[ jeff@usgs.gov]{.underline}

[ GEO-CRG-MRS]{.underline}

[ V.J.S. (Tien) Grauch]{.underline}

[ USGS, MS 964]{.underline}

[ Denver Federal Center]{.underline}

[Denver, CO 80225]{.underline}

[ (303) 236-1393]{.underline}

[ tien@usgs.gov]{.underline}

[ GEO-CRG-MRS]{.underline}

[ David L. Daniels]{.underline}

[ USGS, MS 954]{.underline}

[ 12201 Sunrise Valley Drive]{.underline}

[ Reston, VA 20192]{.underline}

[ (703) 648-6357]{.underline}

[ dave@usgs.gov]{.underline}

[ GEO-ERG-MRS]{.underline}

[ Richard W. Saltus]{.underline}

[ USGS, MS 964]{.underline}

[ Denver Federal Center]{.underline}

[Denver, CO 80225]{.underline}

[ (303) 236-1375]{.underline}

[ saltus@usgs.gov]{.underline}

[ GEO-CRG-MRS]{.underline}

[ Mark E. Gettings]{.underline}

[ E.N.R. Building]{.underline}

[ 520 N. Park Avenue]{.underline}

[ Tucson, AZ 85719]{.underline}

[ (520) 670-5507]{.underline}

[ mgetting@usgs.gov]{.underline}

[ GEO-WRG-MRS]{.underline}

[ Carol A. Finn]{.underline}

[ USGS, MS 964]{.underline}

[ Denver Federal Center]{.underline}

[Denver, CO 80225]{.underline}

[ (303) 236-1345]{.underline}

[ cfinn@usgs.gov]{.underline}

[ GEO-CRG-MRS]{.underline}

[ Anne E. McCafferty]{.underline}

[ USGS, MS 964]{.underline}

[ Denver Federal Center]{.underline}

[Denver, CO 80225]{.underline}

[ (303) 236-1397]{.underline}

[ anne@usgs.gov]{.underline}

[ GEO-CRG-MRS]{.underline}

[ Viki Bankey]{.underline}

[ USGS, MS 964]{.underline}

[ Denver Federal Center]{.underline}

[Denver, CO 80225]{.underline}

[ (303) 236-1348]{.underline}

[ viki@usgs.gov]{.underline}

[ GEO-CRG-MRS]{.underline}

[ Michael W. Webring]{.underline}

[ USGS, MS 964]{.underline}

[ Denver Federal Center]{.underline}

[Denver, CO 80225]{.underline}

[ (303) 236-1392]{.underline}

[ mwebring@usgs.gov]{.underline}

[ GEO-CRG-MRS]{.underline}

[ Robert E. Bracken]{.underline}

[ USGS, MS 964]{.underline}

[ Denver Federal Center]{.underline}

[Denver, CO 80225]{.underline}

[ (303) 236-1207]{.underline}

[ rbracken@usgs.gov]{.underline}

[ GEO-CRG-MRS]{.underline}

[ Ronald E. Sweeney]{.underline}

[ USGS, MS 964]{.underline}

[ Denver Federal Center]{.underline}

[Denver, CO 80225]{.underline}

[ (303) 236-1389]{.underline}

[ rsweeney@usgs.gov]{.underline}

[ GEO-CRG-MRS]{.underline}

[ Stephen L. Snyder]{.underline}

[ USGS, MS 954]{.underline}

[ 12201 Sunrise Valley Drive]{.underline}

[ Reston, VA 20192]{.underline}

[ (703) 648-6384]{.underline}

[ ssnyder@usgs.gov]{.underline}

[ GEO-ERG-MRS]{.underline}

[ Richard H. Blank, Jr.]{.underline}

[ U.S. Courthouse]{.underline}

[ West 920 Riverside Avenue]{.underline}

[ Spokane, WA 99201]{.underline}

[ (509) 353-2167]{.underline}

[ dblank@usgs.gov]{.underline}

[ GEO-WRG-MRS]{.underline}

[ Dolores M. Kulik]{.underline}

[ Gould Hall]{.underline}

[ 4200 University Drive]{.underline}

[ Anchorage, AK 99508]{.underline}

[ (907) 786-7436]{.underline}

[ dkulik@usgs.gov]{.underline}

[ GEO-WRG-MRS]{.underline}

[ Merlin D. Kleinkopf]{.underline}

[ USGS, MS 964]{.underline}

[ Denver Federal Center]{.underline}

[Denver, CO 80225]{.underline}

[ (303) 236-1412]{.underline}

[ mkleink@usgs.gov]{.underline}

[ GEO-CRG-MRS]{.underline}

[Add subcategories to Electrical and Electromagnetic
Section]{.underline}

[Airborne EM:]{.underline}

[Contacts:]{.underline}

[ Victor F. Labson]{.underline}

[USGS, MS 964]{.underline}

[Denver Federal Center]{.underline}

[ Denver, CO 80225]{.underline}

[ (303) 236-1312]{.underline}

[ vlabson@usgs.gov]{.underline}

[ GEO-CRG-MRS]{.underline}

[David V. Fitterman]{.underline}

[USGS, MS 964]{.underline}

[Denver Federal Center]{.underline}

[Denver, CO 80225]{.underline}

[(303) 236-1382]{.underline}

[fitter@usgs.gov]{.underline}

[GEO-CRG-MRS]{.underline}

[Maria Deszcz-Pan]{.underline}

[USGS, MS 964]{.underline}

[Denver Federal Center]{.underline}

[Denver, CO 80225]{.underline}

[(303) 236-1317]{.underline}

[maryla@usgs.gov]{.underline}

[GEO-CRG-MRS]{.underline}

[Bruce D. Smith]{.underline}

[USGS, MS 964]{.underline}

[Denver Federal Center]{.underline}

[Denver, CO 80225]{.underline}

[(303) 236-1399]{.underline}

[bsmith@usgs.gov]{.underline}

[GEO-CRG-MRS]{.underline}

[Marine Electromagnetic ]{.underline}

[Contact:]{.underline}

[ Jeffrey C. Wynn]{.underline}

[ USGS, MS 954]{.underline}

[ 12201 Sunrise Valley Drive]{.underline}

[ Reston, VA 20192]{.underline}

[ (703) 648-6490]{.underline}

[ jwynn@usgs.gov]{.underline}

[ GEO-ERG-MRS]{.underline}

[Surface Electromagnetic]{.underline}

[Contact:]{.underline}

[Jeffrey E. Lucius]{.underline}

[USGS, MS 964 ]{.underline}

[Denver Federal Center]{.underline}

[Denver, CO 80225]{.underline}

[(303) 236-1413]{.underline}

[lucius@usgs.gov]{.underline}

[GEO-CRG-MRS]{.underline}

[Robert J. Bisdorf]{.underline}

[USGS, MS 964]{.underline}

[Denver Federal Center]{.underline}

[Denver, CO 80225]{.underline}

[(303) 236-1377]{.underline}

[rbisdorf@usgs.gov]{.underline}

[GEO-CRG-MRS]{.underline}

[David L. Campbell]{.underline}

[USGS, MS 964]{.underline}

[Denver Federal Center]{.underline}

[Denver, CO 80225]{.underline}

[(303) 236-1380]{.underline}

[davec@usgs.gov]{.underline}

[GEO-CRG-MRS]{.underline}

[Borehole EM:]{.underline}

[Contacts:]{.underline}

[ Karl J. Ellefsen]{.underline}

[ USGS, MS 964]{.underline}

[ Denver Federal Center]{.underline}

[Denver, CO 80225]{.underline}

[ (303) 236-7032]{.underline}

[ ellefsen@usgs.gov]{.underline}

[ GEO-CRG-MRS]{.underline}

[ David L. Wright]{.underline}

[USGS, MS 964]{.underline}

[Denver Federal Center]{.underline}

[Denver, CO 80225]{.underline}

[(303) 236-1381]{.underline}

[ dwright@usgs.gov]{.underline}

[ GEO-CRG-MRS]{.underline}

[Add Section on Surface Induced Polarization:]{.underline}

[Contacts:]{.underline}

[ David L. Campbell]{.underline}

[USGS, MS 964]{.underline}

[Denver Federal Center]{.underline}

[Denver, CO 80225]{.underline}

[(303) 236-1380]{.underline}

[davec@usgs.gov]{.underline}

[GEO-CRG-MRS]{.underline}

[ Jeffrey C. Wynn]{.underline}

[USGS, MS 954]{.underline}

[12201 Sunrise Valley Drive]{.underline}

[Reston, VA 20192]{.underline}

[(703) 648-6490]{.underline}

[jwynn@usgs.gov]{.underline}

[GEO-ERG-MRS]{.underline}

[ Robert J. Horton]{.underline}

[ USGS, MS 964]{.underline}

[Denver Federal Center]{.underline}

[ Denver, CO 80225]{.underline}

[ (303) 236-1338]{.underline}

[ rhorton@usgs.gov]{.underline}

[ GEO-CRG-MRS]{.underline}

[Robert J. Bisdorf]{.underline}

[USGS, MS 964]{.underline}

[Denver Federal Center]{.underline}

[Denver, CO 80225]{.underline}

[(303) 236-1377]{.underline}

[rbisdorf@usgs.gov]{.underline}

[GEO-CRG-MRS]{.underline}

[Add Section on Ground Penetrating Radar]{.underline}

[Contact:]{.underline}

[ Jeffrey E. Lucius]{.underline}

[USGS, MS 964 ]{.underline}

[Denver Federal Center]{.underline}

[Denver, CO 80225]{.underline}

[(303) 236-1413]{.underline}

[lucius@usgs.gov]{.underline}

[GEO-CRG-MRS]{.underline}

[ Michael H. Powers]{.underline}

[ USGS, MS 964]{.underline}

[ Denver Federal Center]{.underline}

[Denver, CO 80225]{.underline}

[ (303) 236-1349]{.underline}

[ mhpowers@usgs.gov]{.underline}

[ GEO-CRG-MRS]{.underline}

[ David L. Wright]{.underline}

[ USGS, MS 964]{.underline}

[ Denver Federal Center]{.underline}

[Denver, CO 80225]{.underline}

[ (303) 236-1381]{.underline}

[ dwright@usgs.gov]{.underline}

[ GEO-CRG-MRS]{.underline}

[Electromagnetic Laboratory:]{.underline}

[Contacts:]{.underline}

[ Robert J. Horton]{.underline}

[ USGS, MS 964]{.underline}

[Denver Federal Center]{.underline}

[ Denver, CO 80225]{.underline}

[ (303) 236-1338]{.underline}

[ rhorton@usgs.gov]{.underline}

[ GEO-CRG-MRS]{.underline}

[EM Theory:]{.underline}

[Contacts:]{.underline}

[ Victor F. Labson]{.underline}

[USGS, MS 964]{.underline}

[Denver Federal Center]{.underline}

[ Denver, CO 80225]{.underline}

[ (303) 236-1312]{.underline}

[ vlabson@usgs.gov]{.underline}

[ GEO-CRG-MRS]{.underline}

[ Karl J. Ellefsen]{.underline}

[ USGS, MS 964]{.underline}

[ Denver Federal Center]{.underline}

[Denver, CO 80225]{.underline}

[ (303) 236-7032]{.underline}

[ ellefsen@usgs.gov]{.underline}

[ GEO-CRG-MRS]{.underline}

[ David V. Fitterman]{.underline}

[USGS, MS 964]{.underline}

[Denver Federal Center]{.underline}

[Denver, CO 80225]{.underline}

[(303) 236-1382]{.underline}

[fitter@usgs.gov]{.underline}

[GEO-CRG-MRS]{.underline}

[Maria Deszcz-Pan]{.underline}

[USGS, MS 964]{.underline}

[Denver Federal Center]{.underline}

[Denver, CO 80225]{.underline}

[(303) 236-1317]{.underline}

[maryla@usgs.gov]{.underline}

[GEO-CRG-MRS]{.underline}

[ Michael H. Powers]{.underline}

[USGS, MS 964]{.underline}

[Denver Federal Center]{.underline}

[Denver, CO 80225]{.underline}

[ (303) 236-1349]{.underline}

[ mhpowers@usgs.gov]{.underline}

[ GEO-CRG-MRS ]{.underline}

[Add section on Magnetotellurics:]{.underline}

[Contacts:]{.underline}

[ Douglas P. Klein]{.underline}

[ USGS, MS 964]{.underline}

[Denver Federal Center]{.underline}

[Denver, CO 80225]{.underline}

[(303) 236-1313]{.underline}

[dklein@usgs.gov]{.underline}

[GEO-CRG-MRS]{.underline}

[Brian D. Rodriguez]{.underline}

[USGS, MS 964]{.underline}

[Denver Federal Center]{.underline}

[Denver, CO 80225]{.underline}

[(303) 236-1361]{.underline}

[brod@usgs.gov]{.underline}

[GEO-CRG-MRS]{.underline}

[William D. Stanley]{.underline}

[USGS, MS 966]{.underline}

[Denver Federal Center ]{.underline}

[Lakewood, CO 80225]{.underline}

[(303) 273-8620]{.underline}

[dals@usgs.gov]{.underline}

[GEO-CRG-GHZ]{.underline}

[Put as a heading under Remote Sensing:]{.underline}

[Imaging Spectroscopy and AVIRIS]{.underline}

[Contacts:]{.underline}

[Roger N. Clark]{.underline}

[USGS, MS 964]{.underline}

[ Denver Federal Center]{.underline}

[ Denver, CO 80225]{.underline}

[(303) 236-1332]{.underline}

[ rclark@usgs.gov]{.underline}

[GEO-CRG-MRS]{.underline}

[ Gregg A. Swayze]{.underline}

[ USGS, MS 964]{.underline}

[Denver Federal Center]{.underline}

[Denver, CO 80225]{.underline}

[(303) 236-0925]{.underline}

[gswayze@usgs.gov]{.underline}

[ GEO-CRG-MRS]{.underline}

[ Trude M. King]{.underline}

[ USGS, MS 964]{.underline}

[Denver Federal Center]{.underline}

[Denver, CO 80225]{.underline}

[(303) 236-1373]{.underline}

[ tking@usgs.gov]{.underline}

[ GEO-CRG-MRS]{.underline}

[Lawrence C. Rowan]{.underline}

[ USGS, MS 954]{.underline}

[12201 Sunrise Valley Drive]{.underline}

[Reston, VA 20192]{.underline}

[(703) 648-6381]{.underline}

[lrowan@usgs.gov]{.underline}

[ GEO-ERG-MRS]{.underline}

[ James K. Crowley]{.underline}

[ USGS, MS 954]{.underline}

[12201 Sunrise Valley Drive]{.underline}

[Reston, VA 20192]{.underline}

[(703) 648-6356]{.underline}

[jcrowley@usgs.gov]{.underline}

[GEO-ERG-MRS]{.underline}

[ Keith E. Livo ]{.underline}

[ USGS, MS 964]{.underline}

[ Denver Federal Center]{.underline}

[Denver, CO 80225]{.underline}

[(303) 236-1388]{.underline}

[elivo@usgs.gov]{.underline}

[ GEO-CRG-MRS]{.underline}

[Raymond F. Kokaly]{.underline}

[USGS, MS 973]{.underline}

[ Denver Federal Center]{.underline}

[ Denver, CO 80225]{.underline}

[ (303) 236-1359]{.underline}

[ rraymond@usgs.gov]{.underline}

[ GEO-CRG-MRS]{.underline}

[Add section on Gamma-Ray]{.underline}

[Contacts:]{.underline}

[Joseph S. Duval]{.underline}

[USGS, MS 954]{.underline}

[12201 Sunrise Valley Drive]{.underline}

[Reston, VA 20192]{.underline}

[(703) 648-6327]{.underline}

[jduval@usgs.gov]{.underline}

[GEO-ERG-MRS]{.underline}

[David L. Daniels]{.underline}

[USGS, MS 954]{.underline}

[12201 Sunrise Valley Drive]{.underline}

[Reston, VA 20192]{.underline}

[(703) 648-6357]{.underline}

[dave@usgs.gov]{.underline}

[GEO-ERG-MRS]{.underline}

[Richard I. Grauch]{.underline}

[USGS, MS 973]{.underline}

[Denver Federal Center]{.underline}

[Denver, CO 80225]{.underline}

[(303) 236-5551]{.underline}

[rgrauch@usgs.gov]{.underline}

[GEO-CRG-MRS]{.underline}