Patuxent Wildlife Research Center

whiteshadow
Patuxent Intranet | Patuxent Home | Staff | Contact Us  

Publications of the
Patuxent Wildlife Research Center
Updated July 16, 2015

Click on the image for the full abstract and a link to the pdf will be available to you from the publishers website.

Chambert, T., W. L. Kendall, J. E. Hines, J. D. Nichols, P. Pedrini, J. H. Waddle, G. Tavecchia, S. C. Walls, and S. Tenan. 2015. Testing hypotheses on distribution shifts and changes in phenology of imperfectly detectable species. Methods in Ecology and Evolution 6(6):638-647. Chesser, R. T., R. C. Banks, K. J. Burns, C. Cicero, J. L. Dunn, A. W. Kratter, I. J. Lovette, A. G. Navarro-Sigüenza, P. C. Rasmussen, J. V. Jr. Remsen, J. D. Rising, D. F. Stotz, and K. Winker. 2015. Fifty-sixth Supplement to the American Ornithologists' Union: Check-list of North American Birds. Auk 132(3):748-764. Droege, S. and L. Packer. 2015. Bees: An Up-Close Look at Pollinators Around the World. . Voyageur Press, Minneapolis, MN. 160 pp. Erb, L. A., L. L. Willey, L. M. Johnson, J. E. Hines, and R. P. Cook. 2015. Detecting long-term population trends for an elusive reptile species. Journal of Wildlife Management Online Early June 26. Link, W. A. and K. M. Hesed. 2015. Individual heterogeneity in growth and age at sexual maturity: A gamma process analysis of capture–mark–recapture data. Journal of Agricultural, Biological, and Environmental Statistics Online Early July 9. New, L., E. Bjerre, B. Millsap, M. C. Otto , and M. C. Runge. 2015. A Collision Risk Model to Predict Avian Fatalities at Wind Facilities: An Example Using Golden Eagles, Aquila chrysaetos. PLoS ONE 10(7): e0130978. Pinkney, A. E., C. T. Driscoll, D. C. Evers, M. J. Hooper, J. Horan, J. W. Jones, R. S. Lazarus, H. G. Marshall, A. Milliken, B. A. Rattner, J. Schmerfeld, and D. W. Sparling. 2015. Interactive effects of climate change with nutrients, mercury, and freshwater acidification on key taxa in the North Atlantic Landscape Conservation Cooperative region. Integrated Environmental Assessment and Management 11(3):355-369. Reynolds, M. H., K. N. Courtot, K. W. Brinck, C. L. Rehkemper, and J. S. Hatfield. 2015. Long-term monitoring of endangered Laysan Ducks: Index validation and population estimates 1998-2012. Journal of Fish and Wildlife Management 6(1):92-101. Spehar, S. N., B. Loken, Y. Rayadin, and J. A. Royle. 2015. Comparing spatial capture–recapture modeling and nest count methods to estimate orangutan densities in the Wehea Forest, East Kalimantan, Indonesia. Biological Conservation 191:185-193.

Zipkin, E. F., B. P. Kinlan, A. Sussman, D. Rypkemae, M. Wimer, and A. F. O'Connell. 2015. Statistical guidelines for assessing marine avian hotspots and coldspots: A case study on wind energy development in the U.S. Atlantic Ocean. Biological Conservation 191:216-223.

Some links below contain a PDF, download and install the latest version of Adobe Acrobat Reader. If you have any questions or comments, send a message to our library.

Recent Publications

Arsnoe, I. E., G. J. Hickling, H. S. Ginsberg, R. McElreath, and J. I. Tsao. 2015. Different populations of blacklegged tick nymphs exhibit differences in questing behavior that have implications for human lyme disease risk. PLoS ONE 10(5):e0127450. Abstract

Barker, R. J. and W. A. Link. 2015. Truth, models, model sets, AIC, and multimodel inference: A Bayesian perspective. Journal of Wildlife Management 79(5):730-738. Abstract

Bigorgne, E., T. W. Custer, P. M. Dummer, R. A. Erickson, N. Karouna-Renier, S. Schultz, C. M. Custer, W. E. Thogmartin, and C. W. Matson. 2015. Chromosomal damage and EROD induction in tree swallows (Tachycineta bicolor) along the Upper Mississippi River, Minnesota, USA. Ecotoxicology 24(5):1028-1039. Abstract

Chambert, T., W. L. Kendall, J. E. Hines, J. D. Nichols, P. Pedrini, J. H. Waddle, G. Tavecchia, S. C. Walls, and S. Tenan. 2015. Testing hypotheses on distribution shifts and changes in phenology of imperfectly detectable species. Methods in Ecology and Evolution Online Early February 23 Abstract

Erõs, T. and E. H. C. Grant. 2015. Unifying research on the fragmentation of terrestrial and aquatic habitats: patches, connectivity and the matrix in riverscapes. Freshwater Biology Online Early May 7 Abstract

Fisher, R. D. and C. A. Ludwig. 2015. Catalog of type specimens of recent mammals:Orders Didelphimorphia through Chiroptera (excluding Rodentia) in the National Museum of Natural History, Smithsonian Institution. Smithsonian Contributions to Zoology No. 644., Washington, DC. vii, 111 pp. Abstract

Goswami, V. R., K. Medhi, J. D. Nichols, and M. K. Oli. 2015. Mechanistic understanding of human–wildlife conflict through a novel application of dynamic occupancy models. Conservation Biology Online Early March 10 Abstract

Grant, E. H. C. 2015. Please don't misuse the museum: ‘declines’ may be statistical. Global Change Biology 21( 3):1018-1024. Abstract

Hansen, S. J. K., J. L. Frair, H. B. Underwood, and J. P. Gibbs. 2015. Pairing call-response surveys and distance sampling for a mammalian carnivore. Journal of Wildlife Management 79(4 ):662-671. Abstract

Johnson, F. A., G. S. Boomer, B. K. Williams, J. D. Nichols, and D. J. Case. 2015. Multilevel learning in the adaptive management of waterfowl harvests: 20 years and counting. Wildlife Society Bulletin 39(1):9-19. Abstract

Kirwan, M. L. and G. R. Guntenspergen. 2015. Response of plant productivity to experimental flooding in a stable and a submerging marsh. Ecosystems Online Early May 16. Abstract

Knox, A., E. Holldorf, R. N. Reed, S. Igisomar, and S. W. Gotte. 2015. Boiga Irregularis (Brown Treesnake): USA: Commonwealth of the Northern Mariana Islands. Herpetological Review 46(1):61. Abstract

Lazarus, R. S., B. A. Rattner, B. W. Brooks, B. Du, P. C. McGowan, V. S. Blazer, and M. A. Ottinger. 2015. Exposure and food web transfer of pharmaceuticals in ospreys (Pandion haliaetus): Predictive model and empirical data. Integrated Environmental Assessment and Management 11( 1):118-129. Abstract

Lazarus, R. S., B. A. Rattner, P. C. McGowan, R. C. Hale, S. L. Schultz, N. K. Karouna-Renier, and M. A. Ottinger. 2015. Decadal re-evaluation of contaminant exposure and productivity of ospreys (Pandion haliaetus) nesting in Chesapeake Bay Regions of Concern. Environmental Pollution 205:278-290. Abstract

Lebuhn, G., S. Droege, E. F. Connor, B. Gemmill-Herren, S. G. Potts, R. L. Minckley, R. P. Jean, E. Kula, D. W. Roubik, K. W. Wright, G. Frankie, and F. Parker. 2015. Evidence-based conservation: Reply to Tepedino et al. Conservation Biology 29(1):283-285. Abstract

Matson, J. O., N. Ordónez-Garza, N. Woodman, W. Bulmer, R. P. Eckerlin, and J. D. Hanson. 2014. Small mammals from the Chelemhá Cloud Forest reserve, Alta Verapaz, Guatemala. Southwestern Naturalist 59(2):258-262. Abstract

Miller.D.A.W., L. L. Bailey, E. H. C. Grant, B. T. McClintock, L. A. Weir, and T. R. Simons. 2015. Performance of species occurrence estimators when basic assumptions are not met: a test using field data where true occupancy status is known. Methods in Ecology and Evolution 6( 5):557-565. Abstract

Mocino-Deloya, E., K. Setser, M. Heacker, and S. Peurach. 2015. Diet of New Mexico ridge-nosed rattlesnake (Crotalus willardi obscurus) in the Sierra San Luis and Sierra Pan Duro, México. Journal of Herpetology 49(1):104-107. Abstract ; BioOne

Nichols, J. D., F. A. Johnson, B. K. Williams, and G. S. Boomer. 2015. On formally integrating science and policy: walking the walk. Journal of Applied Ecology 52(3):539-543. Abstract

Palm, E. C., S. H. Newman, D. J. Prosser, X. Xiao, L. Ze, N. Batbayar, S. Balachandran, and J. Y. Takekawa. 2015. Mapping migratory flyways in Asia using dynamic Brownian Bridge Movement Models. Movement Ecology 3(3) Abstract

Péron, G. and R. Altwegg. 2015. The abundant centre syndrome and species distributions: insights from closely related species pairs in southern Africa. Global Ecology and Biogeography 24(2):215-225. Abstract

Powell, L. L., J. D. Wolfe, E. I. Johnson, J. E. Hines, J. D. Nichols, and P. C. Stouffer. 2015. Heterogeneous movement of insectivorous Amazonian birds through primary and secondary forest: A case study using multistate models with radiotelemetry data. Biological Conservation 188:100-108. Abstract

Rashford, B. S., R. M. Adams, J. J. Wu, R. A. Voldseth, G. R. Guntenspergen, B. Werner, and W. C. Johnson. 2015. Impacts of climate change on land-use and wetland productivity in the Prairie Pothole Region of North America. Regional Environmental Change Online Early February 17 Abstract

Rattner, B. A., K. E. Horak, R. S. Lazarus , S. L. Schultz, S. Knowles, B. G. Abbo, and S. F. Volker. 2015. Toxicity reference values for chlorophacinone and their application for assessing anticoagulant rodenticide risk to raptors. Ecotoxicology 24(4):720-734. Abstract

Reynolds, M. H., K. N. Courtot, K. W. Brinck, C. L. Rehkemper, and J. Hatfield. 2015. Long-term monitoring of endangered Laysan Ducks: Index validation and population estimates 1998-2012. Journal of Fish and Wildlife Management 6(1):92-101. Abstract

Runge, M. C., C. A. Langtimm, J. Martin, and C. J. Fonnesbeck. 2015. Status and threats analysis for the Florida manatee (Trichechus manatus latirostris), 2012. Open-File Report 201-1083. U.S. Geological Survey. 33 pp. Abstract

Sollmann, R., B. Gardner, R. B. Chandler, J. A. Royle, and T. S. Sillett. 2015. An open-population hierarchical distance sampling model. Ecology 96(2):325-331. Abstract

Straight, C. A., C. R. Jackson, B. J. Freeman, and M. C. Freeman. 2015. Diel patterns and temporal trends in spawning activities of robust redhorse and river redhorse in Georgia, assessed using passive acoustic monitoring. Transactions of the American Fisheries Society 144(3):563-576. Abstract

Takekawa, J. Y., S. R. Heath, S. A. Iverson, N. Gaidet, J. Cappelle, T. Dodman, W. Hagemeijer, W. D. Eldridge, A. A. Petrie, G. S. Yarris, S. Manu, G. H. Olsen, D. J. Prosser, K. A. Spragens, D. C. Douglas, and S. H. Newman. 2015. Movement ecology of five Afrotropical waterfowl species from Malawi, Mali and Nigeria. Ostrich 86(1-2):155-168. Abstract

Tian, H., S. Zhou, L. Dong, T. P. Van Boeckel, Y. Cui, S. H. Newman, J. Y. Takekawa, D. J. Prosser, X. Xiao, Y. Wu, B. Cazelles, S. Huang, R. Yang, B. T. Grenfell, and B. Xu. 2015. Avian influenza H5N1 viral and bird migration networks in Asia. Proceedings of the National Academy of Sciences of the USA 112(1):172-177. Abstract

Veran, S., S. J. Simpson, G. A. Sword, E. Deveson, S. Piry, J. E. Hines, and K. Berthier. 2015. Modeling spatiotemporal dynamics of outbreaking species: Influence of environment and migration in a locust. Ecology 96(3 ):737-748. Abstract

Wells-Berlin, A. M., M. C. Perry, R. A. Kohn, K. T. Paynter ,Jr., and M. A. Ottinger. 2015. Composition, shell strength, and metabolizable energy of Mulinia lateralis and Ischadium recurvum as food for wintering surf scoters (Melanitta perspicillata). PLoS ONE 10(5):e0119839. Abstract

Williams, J., P. Nanjappa, L. A. Weir, and J. J. Apodaca, editors. 2014. Annual Report: 2014. Annual Report No. 5. Partners in Amphibian and Reptile Conservation (PARC) , Hagerstown, MD. 24 pp. PDF

Woodman, N. 2015. Rafinesque's names for western American mammals, including the earliest scientific name for the coyote (Canis latrans Say, 1822), based on the apocryphal journal of Charles Le Raye. Proceedings of the Biological Society of Washington 128(1):63-79. Abstract

Woodman, N. 2015. Shippingport, Kentucky, is the type locality for the white-footed mouse, Peromyscus leucopus (Rafinesque, 1818) (Mammalia: Rodentia: Cricetidae). Proceedings of the Biological Society of Washington 128(2):152-163. Abstract

Woodman, N. and F. A. Stabile. 2015. Functional skeletal morphology and its implications for locomotory behavior among three genera of Myosoricine Shrews (Mammalia: Eulipotyphla: Soricidae) . Journal of Morphology 276(5):550-563. Abstract

Yackulic, C. B., J. D. Nichols, J. Reid, and R. Der. 2015. To predict the niche, model colonization and extinction. Ecology 96( 1):16-23. Abstract

October 2014 -- March 2015

Brand, A. B., A. N. M. Wiewel, and E. H. C. Grant. 2014. Potential reduction in terrestrial salamander ranges associated with Marcellus shale development. Biodiversity and Conservation 180:233-240. Abstract

Carleton, M. D., A. L. Gardner, I. Y. Pavlinov, and G. G. Musser. 2014. The valid generic name for red-backed voles (Muroidea: Cricetidae: Arvicolinae): restatement of the case for Myodes Pallas. Journal of Mammalogy 95(5):943-959. BioOne ; Abstract

Chambert, T., W. L. Kendall, J. E. Hines, J. D. Nichols, P. Pedrini, J. H. Waddle, G. Tavecchia, S. C. Walls, and S. Tenan. 2015. Testing hypotheses on distribution shifts and changes in phenology of imperfectly detectable species. Methods in Ecology and Evolution 6(6):638-647. Abstract

Chambert, T., D. A. M. Miller, and J. D. Nichols. 2015. Modeling false positive detections in species occurrence data under different study designs. Ecology 99(2):33-339. Abstract

Clement, M. J., K. L. Murray, D. I. Solick, and J. C. Gruver. 2014. The effect of call libraries and acoustic filters on the identification of bat echolocation. Ecology and Evolution 4(17):3482-3493. Abstract

Cooch, E. G. , M. Guillemain, G. S. Boomer, J.-D. Lebreton, and J. D. Nichols. 2014. The effects of harvest on waterfowl populations. Wildfowl (4):220-276.

Duarte, A., J. E. Hines, J. D. Nichols, J. S. Hatfield, and F. W. Weckerly. 2014. Age-specific survival of male golden-cheeked warblers on the Fort Hood Military Reservation, Texas. Avian Conservation and Ecology 9(2):Article 4. Abstract ; PDF

Farrell, J. M., K. L. Kapuscinski, and H. B. Underwood. 2014. Fine scale habitat use by age-1 stocked muskellunge and wild northern pike in an upper St. Lawrence River bay. Journal of Great Lakes Research 40, Supplement 2:148-153. Abstract

Goswami, V. R., K. Medhi, J. D. Nichols, and M. K. Oli. 2015. Mechanistic understanding of human–wildlife conflict through a novel application of dynamic occupancy models. Conservation Biology Online Early March 10 Abstract

Gustavsen, K. A., D. S. M. Guzman, H. K. Knych, O. S. Petritz, G. H. Olsen, and J. R. Paul-Murphy. 2014. Pharmacokinetics of buprenorphine hydrochloride following intramuscular and intravenous administration to American kestrels (Falco sparverius). American Journal of Veterinary Research 75(8):711-715. Abstract

Hatfield, J. S. 2015. Medea Genes, Handedness and Other Traits. Journal of Sleep Disorders & Therapy 4(1):188. Abstract

Johnson, F. A., G. S. Boomer, B. K. Williams, J. D. Nichols, and D. J. Case. 2015. Multilevel learning in the adaptive management of waterfowl harvests: 20 years and counting. Wildlife Society Bulletin 39(1):9-19. Abstract

Knox, A., E. Holldorf, R. N. Reed, S. Igisomar, and S. W. Gotte. 2015. Boiga Irregularis (Brown Treesnake). Herpetological Review 46(1):61. Abstract

Lebuhn, G., S. Droege, E. F. Connor, B. Gemmill-Herren, S. G. Potts, R. L. Minckley, R. P. Jean, E. Kula, D. W. Roubik, K. W. Wright, G. Frankie, and F. Parker. 2015. Evidence-based conservation: Reply to Tepedino et al. Conservation Biology 29(1):283-285. Abstract

Link, W. A. 2014. A cautionary note on the discrete uniform prior for the binomial N: reply. Ecology 95:2677-2679. Abstract

Link, W. A. and J. R. Sauer. 2014. Modeling participation duration, with application to the North American Breeding Bird Survey. Communications in Statistics - Theory and Methods Online Early September 4 Abstract

Lovelock, C. E., M. F. Adame, V. Bennion, M. Hayes, R. Reef, N. Santini, and D. R. Cahoon. 2015. Sea level and turbidity controls on mangrove soil surface elevation change. Estuarine, Coastal and Shelf Science 153:1-9. Abstract

Matson, J. O., N. Ordóñez-Garza, N. Woodman, W. Bulmer, R. P. Eckerlin, and J. D. Hanson. 2014. Small mammals from the Chelemhá Cloud Forest reserve, Alta Verapaz, Guatemala. Southwestern Naturalist 59(2):258-262. Abstract

Maxwell, S. L., J. R. Rhodes, M. C. Runge, H. P. Possingham, C. F. Ng, and E. Mcdonald-Madden. 2015. How much is new information worth? Evaluating the financial benefit of resolving management uncertainty. Journal of Applied Ecology 52( 1):12-20. Abstract

McCranie, J. R. and S. W. Gotte. 2015. An investigation into the Swan Island Honduras collecting event of Tiaporus fuliginosus Cope (Reptilia: Teiidae) and its systematic status. Proceedings of the Biological Society of Washington 127(4):543-556. Abstract

Miller.D.A.W., L. L. Bailey, E. H. C. Grant, B. T. McClintock, L. A. Weir, and T. R. Simons. 2015. Performance of species occurrence estimators when basic assumptions are not met: a test using field data where true occupancy status is known. Methods in Ecology and Evolution 6(5):557-565. Abstract

Nichols, J. D., F. A. Johnson, B. K. Williams, and G. S. Boomer. 2015. On formally integrating science and policy: walking the walk. Journal of Applied Ecology 52(3):539-543. Abstract

Osnas, E. E., M. C. Runge, B. J. Mattsson, J. Austin, G. S. Boomer, R. G. Clark, P. Devers, J. M. Eadie, E. V. Lonsdorf, and B. G. Tavernia. 2014. Managing harvest and habitat as integrated components. Wildfowl (Special Issue No. 4):305-328. Abstract

Palm, E. C., S. H. Newman, D. J. Prosser, X. Xiao, L. Ze, N. Batbayar, S. Balachandran, and J. Y. Takekawa. 2015. Mapping migratory flyways in Asia using dynamic Brownian bridge movement models. Movement Ecology 3( 3) Abstract

Powell, L. L., J. D. Wolfe, E. I. Johnson, J. E. Hines, J. D. Nichols, and P. C. Stouffer. 2015. Heterogeneous movement of insectivorous Amazonian birds through primary and secondary forest: A case study using multistate models with radiotelemetry data. Biological Conservation 188:100-108. Abstract

Rader, J. A., M. E. Dillon, R. T. Chesser, P. Sabat, and C. M. Del Rio. 2014. Morphological divergence in a continental adaptive radiation: South American ovenbirds of the genus Cinclodes. Auk 132(1):180-190. Abstract

Ramirez-Pulido, J., N. Gonzalez-Ruiz, A. L. Gardner, and J. Arroyo-Cabrales. 2014. List of Recent Land Mammals of Mexico, 2014: Special Publications. Museum of Texas Tech University 63. 69 pp.

Rashford, B. S., R. M. Adams, J. J. Wu, R. A. Voldseth, G. R. Guntenspergen, B. Werner, and W. C. Johnson. 2015. Impacts of climate change on land-use and wetland productivity in the Prairie Pothole Region of North America. Regional Environmental Change Online Early February 17 Abstract

Rattner, B. A., K. E. Horak, R. S. Lazarus, S. L. Schultz, S. Knowles, B. G. Abbo, and S. F. Volker. 2015. Toxicity reference values for chlorophacinone and their application for assessing anticoagulant rodenticide risk to raptors. Ecotoxicology Online Early January 20 Abstract

Reynolds, M. H., K. N. Courtot, K. W. Brinck, C. L. Rehkemper, and J. Hatfield . 2015. Long-term Monitoring of Endangered Laysan Ducks: Index Validation and Population Estimates 1998-2012. Journal of Fish and Wildlife Management 6(1) Abstract

Royle, J. A., C. Sutherland, A. K. Fuller, and C. C. Sun. 2015. Likelihood analysis of spatial capture-recapture models for stratified or class structured populations. Ecosphere 6(2):Article 22. Abstract

Rykken, J., A. Rodman, S. Droege, and R. Grundel. 2014. Pollinators in peril? A multipark approach to evaluating bee communities in habitats vulnerable to effects from climate change. Park Science 31(1):84-90. Abstract ; PDF

Shea, K., M. J. Tildesley, M. C. Runge, C. J. Fonnesbeck, and M. J. Ferrari. 2014. Adaptive management and the value of information: Learning via intervention in epidemiology . PLoS Biology 12(10):e1001970. Abstract

Sparling, D. W., J. Bickham, D. Cowman, G. M. Fellers, T. Lacher, C. W. Matson, and L. McConnell. 2015. In situ effects of pesticides on amphibians in the Sierra Nevada. Ecotoxicology 24(2):262-278. Abstract

Spendelow, J. A., E. Jedrey, E. Ray, R. Harris, C. Luttazi, K. Parsons, D. Monticelli, J. McKnight, J. Rock, A. Boyne, and J. Shuster. 2014. Out of (colony) site, but not out of sight: Recent research on Roseate Terns at staging sites in Massachusetts. Wader Study Group Bulletin 121(2):44 (abstract). PDF

Sutherland, C., A. K. Fuller, and J. A. Royle. 2015. Modelling non-Euclidean movement and landscape connectivity in highly structured ecological networks. Methods in Ecology and Evolution 6(2):169-177. Abstract

Tavares, V. C., A. L. Gardner, H. E. Ramirez-Chaves, and P. M. Velazco. 2014. Systematics of Vampyressa melissa Thomas, 1926 (Chiroptera, Phyllostomidae), with descriptions of two new species of Vampyressa. American Museum Novitates no.3813:27pp. Abstract

Viain, A., J.-P. L. Savard, S. Gilliland, M. C. Perry, and M. Guillemette. 2014. Do seaducks minimise the flightless period?: Inter- and intra-specific comparisons of remigial moult. PLoS ONE 9(9):e107929. Abstract

Yackulic, C. B., J. D. Nichols, J. Reid, and R. Der. 2015. To predict the niche, model colonization and extinction. Ecology 96(1):16-23. Abstract

Wang, Y., Z. Luo, B. Yan, J. Takekawa, D. Prosser, and S. Newman. 2014. Mining continuous activity patterns from animal trajectory data. Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) 8933:239-252. Abstract

Weir, L. A., J. A. Royle, K. D. Gasenski, and O. Villena. 2014. Northeast regional and state trends in anuran occupancy from calling survey data (2001-2011) from the North American Amphibian Monitoring Program. Herpetological Conservation and Biology 9(2):223-245. PDF

Woodman, N. and F. A. Stabile. 2015. Functional skeletal morphology and its implications for locomotory behavior among three genera of myosoricine shrews (Mammalia: Eulipotyphla: Soricidae) . Journal of Morphology Online Early February 10 Abstract

To search our past publications, visit the Patuxent bibliography (select PWRC_Bibliography).

Programs

Accessibility FOIA Privacy Policies and Notices

Take Pride in America logo USA.gov logo U.S. Department of the Interior | U.S. Geological Survey
URL: http://www.pwrc.usgs.gov
Page Contact Information: Webmaster