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Just Released: Technical Report 21-01

Technical Report 21-01 Lamprophyre dikes of northern Idaho and northeastern Washington

Just Released: 2020 Idaho Annual Mining Review

IGS offices open by appointment only

To get in touch with our staff please email, call 208-885-7991, or see our Staff Directory. The Sales Office is open Monday-Thursday, 8:00 am to 4:30 pm by appointment only. If you are in immediate need of a publication, nearly all are available for free download. Topo maps are also available for free download from USGS topoView.