- Bromery, Randolph Wilson; Natoff, N. C.; and others, 1961, Aeromagnetic map of the Middletown quadrangle, Dauphin, Lancaster, Lebanon, and York Counties, Pennsylvania: Geophysical Investigation Map 269, 1 map.,
- Bromery, Randolph Wilson; Natoff, N. C.; and others, 1961, Aeromagnetic map of the Gettysburg quadrangle and part of the Taneytown quadrangle, Adams County, Pennsylvania: Geophysical Investigation Map 284, 1 map.,
- Bromery, Randolph Wilson; Natoff, N. C.; and others, 1961, Aeromagnetic map of the McSherrystown quadrangle, and part of the Littlestown quadrangle, Adams County, Pennsylvania: Geophysical Investigation Map 285, 1 map.,
- Bromery, Randolph Wilson; Natoff, N. C.; and others, 1961, Aeromagnetic map of the Hanover quadrangle and part of the Manchester quadrangle, Adams and York Counties, Pennsylvania: Geophysical Investigation Map 286, 1 map.,
- Bromery, Randolph Wilson; Natoff, N. C.; and others, 1961, Aeromagnetic map of the Seven Valleys quadrangle and part of the Lineboro quadrangle, York County, Pennsylvania: Geophysical Investigation Map 287, 1 map.,
- Bromery, Randolph Wilson; White, B. L.; and others, 1961, Aeromagnetic map of part of the Fairfield quadrangle and part of the Emmitsburg quadrangle, Adams County, Pennsylvania, and Frederick County, Maryland: Geophysical Investigation Map 283, 1 map.,
- Bromery, Randolph Wilson; Zandle, G. L.; and others, 1961, Aeromagnetic map, Womelsdorf quadrangle, Berks, Lebanon, and Lancaster Counties, Pennsylvania: Geophysical Investigation Map 239, 1 map.,
- Bromery, Randolph Wilson; Zandle, G. L.; and others, 1961, Aeromagnetic map, Sinking Spring quadrangle, Berks and Lancaster Counties, Pennsylvania: Geophysical Investigation Map 240, 1 map.,
- Bromery, Randolph Wilson; Zandle, G. L.; and others, 1961, Aeromagnetic map, Ephrata quadrangle, Lancaster County, Pennsylvania: Geophysical Investigation Map 241, 1 map.,
- Bromery, Randolph Wilson; Zandle, G. L.; and others, 1961, Aeromagnetic map, Terre Hill quadrangle, Lancaster and Berks Counties, Pennsylvania: Geophysical Investigation Map 242, 1 map.,
- Bromery, Randolph Wilson; Zandle, G. L.; and others, 1961, Aeromagnetic map, Leola quadrangle, Lancaster County, Pennsylvania: Geophysical Investigation Map 243, 1 map.,
- Bromery, Randolph Wilson; Zandle, G. L.; and others, 1961, Aeromagnetic map, New Holland quadrangle, Lancaster County, Pennsylvania: Geophysical Investigation Map 244, 1 map.,
- Bromery, Randolph Wilson; Zandle, G. L.; and others, 1961, Aeromagnetic map of the Gap quadrangle, Lancaster County, Pennsylvania: Geophysical Investigation Map 245, 1 map.,
- Bromery, Randolph Wilson; Zandle, G. L.; and others, 1961, Aeromagnetic map, Lebanon quadrangle, Lebanon County, Pennsylvania: Geophysical Investigation Map 254, 1 map.,
- Bromery, Randolph Wilson; Zandle, G. L.; and others, 1961, Aeromagnetic map of the Richland quadrangle, Lancaster and Lebanon Counties, Pennsylvania: Geophysical Investigation Map 255, 1 map.,
- Bromery, Randolph Wilson; Zandle, G. L.; and others, 1961, Aeromagnetic map of the Manheim quadrangle, Lancaster and Lebanon Counties, Pennsylvania: Geophysical Investigation Map 256, 1 map.,
- Bromery, Randolph Wilson; Zandle, G. L.; and others, 1961, Aeromagnetic map of the Lititz quadrangle, Lancaster and Lebanon Counties, Pennsylvania: Geophysical Investigation Map 257, 1 map.,
- Bromery, Randolph Wilson; Zandle, G. L.; and others, 1961, Aeromagnetic map of the Columbia east quadrangle, Lancaster County, Pennsylvania: Geophysical Investigation Map 258, 1 map.,
- Bromery, Randolph Wilson; Zandle, G. L.; and others, 1961, Aeromagnetic map of the Lancaster quadrangle, Lancaster County, Pennsylvania: Geophysical Investigation Map 259, 1 map.,
- Bromery, Randolph Wilson; Zandle, G. L.; and others, 1961, Aeromagnetic map of part of the Alburtis quadrangle, Lehigh, Berks, and Northampton Counties, Pennsylvania: Geophysical Investigation Map 266, 1 map.,
- Bromery, Randolph Wilson; Zandle, G. L.; and others, 1961, Aeromagnetic map of part of the Hummelstown quadrangle, Dauphin County, Pennsylvania: Geophysical Investigation Map 267, 1 map.,
- Bromery, Randolph Wilson; Zandle, G. L.; and others, 1961, Aeromagnetic map of part of the Palmyra quadrangle, Dauphin and Lebanon Counties, Pennsylvania: Geophysical Investigation Map 268, 1 map.,
- Bromery, Randolph Wilson; Zandle, G. L.; and others, 1961, Aeromagnetic map of the York quadrangle, York County, Pennsylvania: Geophysical Investigation Map 270, 1 map.,
- Bromery, Randolph Wilson; Zandle, G. L.; and others, 1961, Aeromagnetic map of the Red Lion quadrangle, York County, Pennsylvania: Geophysical Investigation Map 271, 1 map.,
- Bromery, Randolph Wilson; Zandle, G. L.; and others, 1961, Aeromagnetic map of the Glen Rock and part of the New Freedom quadrangles, York County, Pennsylvania: Geophysical Investigation Map 272, 1 map.,
- Bromery, Randolph Wilson; Zandle, G. L.; and others, 1961, Aeromagnetic map of part of the Bernville quadrangle, Berks County, Pennsylvania: Geophysical Investigation Map 273, 1 map.,
- Bromery, Randolph Wilson; Zandle, G. L.; and others, 1961, Aeromagnetic map of part of the Mechanicsburg quadrangle, Cumberland and York Counties, Pennsylvania: Geophysical Investigation Map 274, 1 map.,
- Bromery, Randolph Wilson; Zandle, G. L.; and others, 1961, Aeromagnetic map of the New Cumberland quadrangle, Cumberland, Dauphin, and York Counties, Pennsylvania: Geophysical Investigation Map 275, 1 map.,
- Bromery, Randolph Wilson; Zandle, G. L.; and others, 1961, Aeromagnetic map of part of the Mount Holly Springs quadrangle, Adams, Cumberland and York Counties, Pennsylvania: Geophysical Investigation Map 276, 1 map.,
- Bromery, Randolph Wilson; Zandle, G. L.; and others, 1961, Aeromagnetic map of part of the Dillsburg quadrangle, Adams, York, and Cumberland Counties, Pennsylvania: Geophysical Investigation Map 277, 1 map.,
- Bromery, Randolph Wilson; Zandle, G. L.; and others, 1961, Aeromagnetic map of part of the Arendtsville quadrangle, Adams and Cumberland Counties, Pennsylvania: Geophysical Investigation Map 278, 1 map.,
- Bromery, Randolph Wilson; Zandle, G. L.; and others, 1961, Aeromagnetic map of the Biglerville quadrangle, Adams County, Pennsylvania: Geophysical Investigation Map 279, 1 map.,
- Bromery, Randolph Wilson; Zandle, G. L.; and others, 1961, Aeromagnetic map of the Hampton quadrangle, Adams and York Counties, Pennsylvania: Geophysical Investigation Map 280, 1 map.,
- Bromery, Randolph Wilson; Zandle, G. L.; and others, 1961, Aeromagnetic map of the Abbottstown quadrangle, Adams and York Counties, Pennsylvania: Geophysical Investigation Map 281, 1 map.,
- Bromery, Randolph Wilson; Zandle, G. L.; and others, 1961, Aeromagnetic map of the West York quadrangle, York County, Pennsylvania: Geophysical Investigation Map 282, 1 map.,
- Brown, R. D., Jr.; Eargle, Dolan H.; Moxham, Robert M., 1961, Preliminary aeroradioactivity and geologic map of the Falls City NE quadrangle, Karnes and Wilson Counties, Texas: Geophysical Investigation Map 250, 1 map ;46 x 41 cm. folded in envelope 30 x 24 cm.,
- Brown, R. D.; Eargle, Dolan H.; Moxham, Robert M., 1961, Preliminary aeroradioactivity and geologic map of the Falls City NW quadrangle, Atascosa, Karnes and Wilson Counties, Texas: Geophysical Investigation Map 249, 1 map ;48 x 41 cm. folded in envelope 30 x 24 cm.,
- Eargle, Dolan H.; Moxham, Robert M., 1961, Preliminary aeroradioactivity and geologic map of the Falls City SE quadrangle, Atascosa, Karnes, and Live Oak Counties, Texas: Geophysical Investigation Map 253, 1 map ;46 x 40 cm. folded in envelope 30 x 24 cm.,
- Eargle, Dolan; Brown, R. D.; Moxham, Robert, 1961, Preliminary aeroradioactivity and geologic map of the Falls City SW quadrangle, Atascosa, Karnes, and Live Oak Counties, Texas: Geophysical Investigation Map 252, 1 map :col. ;46 x 41 cm. folded to 30 x 24 cm.,
- Eargle, Dolan; Trumbull, James; Moxham, Robert M., 1961, Preliminary aeroradioactivity and geologic map of the Floresville SE quadrangle, Karnes and Wilson Counties, Texas: Geophysical Investigation Map 246, 1 map :col. ;47 x 40 cm. folded in envelope 30 x 24 cm.,
- Eargle, Dolan; Trumbull, James; Moxham, Robert M., 1961, Preliminary aeroradioactivity and geologic map of the Stockdale SE quadrangle, Karnes, De Witt, and Wilson Counties, Texas: Geophysical Investigation Map 248, 1 map :col. ;46 x 41 cm. folded in envelope 30 x 24 cm.,
- Eargle, Dolan; Trumbull, James; Moxham, Robert M., 1961, Preliminary aeroradioactivity and geologic map of the Karnes City NW quadrangle, Karnes County, Texas: Geophysical Investigation Map 251, 1 map ;47 x 40 cm. folded in envelope 30 x 24 cm.,
- Moxham, Robert M.; Eargle, Dolan H., 1961, Airborne radioactivity and geologic map of the Coastal Plain area, southeast Texas: Geophysical Investigation Map 198, 1 map :col. ;89 x 91 cm. folded in envelope 30 x 24 cm.,
- Schmidt, Robert George, 1961, Natural gamma aeroradioactivity of the Savannah River Plant area, South Carolina and Georgia: Geophysical Investigation Map 306, 1 map :col. ;70 x 66 cm. folded in envelope 30 x 24 cm.,
- Schmidt, Robert George, 1961, Aeroradioactivity of the Hanford Plant area, Washington and Oregon: Geophysical Investigation Map 307, 1 map :col. ;64 x 68 cm.,
- Trumbull, James; Eargle, Dolan; Moxham, Robert, 1961, Preliminary aeroradioactivity and geologic map of the Stockdale SW quadrangle, Karnes and Wilson Counties, Texas: Geophysical Investigation Map 247, 1 map :col. ;46 x 40 cm. folded in envelope 30 x 24 cm.,
