Near the ghost town of Rimini, Montana, is the abandoned Susie Mine. The Susie mine has significantly high acid drainage, polluted with arsenic and heavy metals. Because this threatens water sources for Helena, Montana, the mine area is a federal Superfund cleanup site.

At this remote site, MSE Technology Applications installed inside the mine a process to remove heavy metals prior to discharging into Tenmile Creek. MSE also needed to monitor and record pH, temperature, flow, and oxygen level in the mine. MSE integrated a Campbell Scientific CR1000 datalogger into the system, along with meteor-burst telemetry to transmit data long distances. The system has survived Rocky Mountain cold, wind, and snow and has never lost data. See


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