- Bond, K. R.; Zietz, Isidore, 1987, Composite magnetic anomaly map of the conterminous United States west of 96 longitude: Geophysical Investigation Map 977, 2 maps :col. ;sheets 130 x 104 cm. +1 pamphlet (13 p. ; 28 cm.),
- Childs, J. R.; Magistrale, H. W.; Cooper, A. K., 1987, Free-air gravity anomaly map of the Umnak Plateau region, southeastern Bering Sea: Geophysical Investigation Map 970, 1 map :col. ;67 x 83 cm., on sheet 81 x 112 cm., folded in envelope 25 x 32 cm.,
- Childs, J. R.; Magistrale, H. W.; Cooper, A. K., 1987, Free-air gravity anomaly map of the central and northern Bering Sea: Geophysical Investigation Map 971, 1 map :col. ;67 x 83 cm., on sheet 81 x 112 cm., folded in envelope 25 x 32 cm.,
- compiled by Ponce, D. A.; Langenheim, V. E., 1987, Aeromagnetic maps of the west-central Sierra Nevada, California: Geophysical Investigation Map 983, 4 maps :col. ;44 x 138 cm. and smaller, on sheets 60 x 145 cm. and smaller.,
- Duval, J. S., 1987, Aerial radiometric color contour maps and composite color map of regional surface concentrations of uranium, potassium, and thorium in Ohio: Geophysical Investigation Map 966, 4 maps on 1 sheet :col. ;sheet 104 x 112 cm.,
- Grauch, V. J., 1987, Interpretive aeromagnetic map using the horizontal gradient: Lake City Caldera area, San Juan Mountains, Colorado: Geophysical Investigation Map 974, 1 map :col. ;58 x 62 cm., on sheet 69 x 129 cm.,
- Hildenbrand, T. G., 1987, Filtered magnetic anomaly maps of Ohio: Geophysical Investigation Map 967, 5 maps on 1 sheet :3 col. ;sheet 104 x 147 cm., folded in envelope 30 x 24 cm.,
- Simpson, R. W.; Hildenbrand, T. G.; Godson, R. H.; Kane, M. F., 1987, Digital colored Bouguer gravity, free-air gravity, station location, and terrain maps for the conterminous United States: Geophysical Investigation Map 953-B, 4 maps on 2 sheets :col. ;40 x 63 cm., sheets 112 x 76 cm., folded in envelope 30 x 24 cm.,
