B-National Historic Trails Geophysical Investigation

Contractor shall: conduct a background files search of the section encompassing the possible gravesite and tiered geophysical investigations of square meters encompassing the cairn, a linear magnetometer investigation (fluxgate gradiometer or other appropriate geophysical technique that the contractor, based on their experience and that they determine possesses the greatest efficacy for identification of unmarked burials in areas with sagebrush cover); and site documentation, evaluation, and updates as needed based on the results of the geophysical investigations. The boundaries of the geophysical investigation areas can be adjusted or expanded to better define anomalies in Area margins, as allowed by the scope and budget. Contractor shall adhere to Class III inventory and reporting standa