We welcome inquiries about hydrology, geohydrology, and earth science. Please check our Frequently Asked Questions page before submitting your request. If you wish to obtain a map or publication please check our ordering and availability page. Complex questions may best be addressed by calling the NC District Information Officer at (919) 571-4096. There may be a charge ($100/hr) for requests that require over one half hour of staff time; you will be notified if a charge is necessary to complete your request.