All IGS Offices closed until further notice.

Due to the Governor’s Statewide Stay-Home Order, all IGS offices including Publication Sales will be closed effective March 25th. We are still working and can be reached by phone or email. Please email, call 208-885-7991, or see our Staff Directory for more contact information to get in touch. If you need a publication, nearly all are available for free download. Topo maps are also available for free download from USGS.