USGS1977Map showing unconsolidated materials, Palmer quadrangle, MassachusettsNo abstract available.Massachusetts↗
USGS1975Bedrock geology and ore deposits of the Palmer quadrangle, Marquette County, Michigan, with a section on the Empire MineNo abstract available.Michigan↗
USGS1968Aeromagnetic map of the Palmer quadrangle, Hampden, Hampshire, and Worcester Counties, MassachusettsNo abstract available.Massachusetts↗