Collection of functions to help retrieve USGS data from either web
services or user-provided data files.

Retrieval Functions for USGS and EPA Hydrologic and Water
Quality Data
c( person("Robert", "Hirsch", role = c("aut"),
email = "rhirsch@usgs.gov"),
person("Laura", "DeCicco", role = c("aut","cre"),
email = "ldecicco@usgs.gov"),
person("David","Lorenz", role=c("aut"),
email = "lorenz@usgs.gov"))
Collection of functions to help retrieve U.S. Geological Survey
(USGS) and U.S. Environmental Protection Agency (EPA) water quality and
hydrology data from web services. USGS web services are discovered from the
National Water Information Services (NWIS) tools found here:
http://waterservices.usgs.gov/ Both EPA and USGS water quality data are
obtained from the Water Quality Portal found here:
http://www.waterqualitydata.us/portal.jsp
XML, RCurl, reshape2, lubridate, plyr, httr
Robert Hirsch [aut],
Laura DeCicco [aut, cre],
David Lorenz [aut]

Collection of functions to help retrieve U.S. Geological Survey
(USGS) and U.S. Environmental Protection Agency (EPA) water quality and
hydrology data from web services. USGS web services are discovered from the
National Water Information System (NWIS) tools. Both EPA and USGS water
quality data are obtained from the Water Quality Portal.

XML, RCurl, reshape2, lubridate, plyr, stats, utils

c( person("Robert", "Hirsch", role = c("aut"),
email = "rhirsch@usgs.gov"),
person("Laura", "DeCicco", role = c("aut","cre"),
email = "ldecicco@usgs.gov"),
person("David","Lorenz", role=c("aut"),
email = "lorenz@usgs.gov"),
person("Jordan", "Read", role = c("ctb"),
email = "jread@usgs.gov"),
person("Lindsay","Carr", role=c("ctb"),
email = "lcarr@usgs.gov"),
person("David","Watkins", role=c("ctb"),
email = "wwatkins@usgs.gov"))
XML, httr (>= 1.0.0), curl, reshape2, lubridate (>= 1.5.0),
stats, utils, dplyr, readr (>= 0.1.1.9000)
Robert Hirsch [aut],
Laura DeCicco [aut, cre],
David Lorenz [aut],
Jordan Read [ctb],
Lindsay Carr [ctb],
David Watkins [ctb]

c( person("Robert", "Hirsch", role = c("aut"),
email = "rhirsch@usgs.gov"),
person("Laura", "DeCicco", role = c("aut","cre"),
email = "ldecicco@usgs.gov"),
person("David","Lorenz", role=c("aut"),
email = "lorenz@usgs.gov"),
person("Jordan", "Read", role = c("ctb"),
email = "jread@usgs.gov"),
person("Lindsay","Carr", role=c("ctb"),
email = "lcarr@usgs.gov"),
person("David","Watkins", role=c("aut"),
email = "wwatkins@usgs.gov"))
httr (>= 1.0.0), curl, reshape2, lubridate (>= 1.5.0), stats,
utils, dplyr, xml2, readr (>= 1.0.0)
Robert Hirsch [aut],
Laura DeCicco [aut, cre],
David Lorenz [aut],
Jordan Read [ctb],
Lindsay Carr [ctb],
David Watkins [aut]