David C. Goodrich Mariano Hernandez Julia Fonseca Darius J. Semmens Juliet C. Stromberg Melanie Tluczek R. A. Leidy Melissa Scianni D. Phillip Guertin William G. Kepner Lainie R. Levick 2008 <p>No abstract available.</p> application/pdf en Environmental Protection Agency, Office of Research and Development The ecological and hydrological significance of ephemeral and intermittent streams in the arid and semi-arid American Southwest reports