1. The Martinsburg formation (Middle and Upper Ordovician) in the Delaware Valley, Pennsylvania-New Jersey : a clarification of the stratigraphy of clastic rocks of Middle and Late Ordovician age in western New Jersey and eastern Pennsylvania Author/Creator: Drake, Avery Ala, 1927- Publication/Creation: [Washington, D.C.] : United States Department of the Interior, Geological Survey, 1967 Resource Type: Book Access & Availability: Loading
2. The Matagamon sandstone : a new Devonian formation in north-central Maine Author/Creator: Rankin, Douglas W. Publication/Creation: Washington [D.C.] : U.S. G.P.O., 1965 Resource Type: Book Is Part Of: U.S. Geological Survey bulletin, no. 1193-1194. Access & Availability: Loading
3. The Matagamon sandstone, a new Devonian formation in north-central Maine Author/Creator: Rankin, Douglas W., author Publication/Creation: Washington, D.C. : United States Department of the Interior, Geological Survey, 1965 Resource Type: Book Access & Availability: Loading
4. The Maudlow and Sedan Formations of the Upper Cretaceous Livingston Group on the west edge of the Crazy Mountains Basin, Montana Author/Creator: Skipp, Betty, 1928- Publication/Creation: Washington : U.S. Govt. Print. Off., 1977 Resource Type: Book Is Part Of: U.S. Geological Survey bulletin, no. 1422-1425. Access & Availability: Loading
5. The Maudlow and Sedan Formations of the Upper Cretaceous Livingston Group on the west edge of the Crazy Mountains Basin, Montana Author/Creator: Skipp, Betty, 1928- author Publication/Creation: [Washington, D.C.] : United States Department of the Interior, Geological Survey, 1977 Resource Type: Book Access & Availability: Loading
6. McGowan Creek Formation, new name for lower Mississippian Flysch sequence in east-central Idaho Author/Creator: Sandberg, Charles A. 1929- (Charles Albert), author Publication/Creation: [Washington, D.C.] : United States Department of the Interior, Geological Survey, 1975 Resource Type: Book Access & Availability: Loading
7. McGowan Creek Formation, new name for lower Mississippian Flysch sequence in east-central Idaho Author/Creator: Sandberg, Charles A. 1929- (Charles Albert) Publication/Creation: Washington : U.S. Govt. Print. Off., 1975 Resource Type: Book Is Part Of: U.S. Geological Survey bulletin, no. 1402-1405. Access & Availability: Loading
8. The McHugh Complex of South-Central Alaska Author/Creator: Clark, Sandra H. B. Publication/Creation: [Washington] : [U.S. Govt. Print. Off], [1973] Resource Type: Book Access & Availability: Loading
9. The McHugh Complex of South-Central Alaska Author/Creator: Clark, Sandra H. B., author Publication/Creation: [Washington, D.C.] : United States Department of the Interior, Geological Survey, 1973 Resource Type: Book Access & Availability: Loading
10. Meeker and Loyd sandstone members of the Mancos shale : Moffat and Rio Blanco Counties, Colorado Author/Creator: Dyni, John R. Publication/Creation: Washington [D.C.] : U.S. G.P.O., 1965 Resource Type: Book Is Part Of: U.S. Geological Survey bulletin, no. 1193-1194. Access & Availability: Loading
11. Meeker and Loyd sandstone members of the Mancos shale, Moffat and Rio Blanco Counties, Colorado Author/Creator: Dyni, John R., author Publication/Creation: Washington, D.C. : United States Department of the Interior, Geological Survey, 1965 Resource Type: Book Access & Availability: Loading
12. Members of the Borden Formation (Mississippian) in north-central Kentucky Author/Creator: Kepferle, Roy Clark, 1926- author Publication/Creation: [Washington, D.C.] : United States Department of the Interior, Geological Survey, 1971 Resource Type: Book Access & Availability: Loading
13. Mesozoic formations in the Comobabi and Roskruge Mountains, Papago Indian Reservation, Arizona Author/Creator: Heindl, L. A. 1916- (Leopold Alexander) Publication/Creation: Washington [D.C.] : U.S. G.P.O., 1965 Resource Type: Book Is Part Of: U.S. Geological Survey bulletin, no. 1193-1194. Access & Availability: Loading
14. Mesozoic formations in the Comobabi and Roskruge Mountains, Papago Indian Reservation, Arizona Author/Creator: Heindl, L. A. 1916- (Leopold Alexander), author Publication/Creation: Washington, D.C. : United States Department of the Interior, Geological Survey, 1965 Resource Type: Book Access & Availability: Loading
15. Mesozoic formations in the Vekol Mountains, Papago Indian Reservation, Arizona Author/Creator: Heindl, L. A. 1916- (Leopold Alexander) Publication/Creation: Washington [D.C.] : U.S. G.P.O., 1965 Resource Type: Book Is Part Of: U.S. Geological Survey bulletin, no. 1193-1194. Access & Availability: Loading
16. Mesozoic formations in the Vekol Mountains, Papago Indian Reservation, Arizona Author/Creator: Heindl, L. A. 1916- (Leopold Alexander), author Publication/Creation: Washington, D.C. : United States Department of the Interior, Geological Survey, 1965 Resource Type: Book Access & Availability: Loading
17. Mesozoic rocks in the Baboquivari Mountains, Papago Indian Reservation, Arizona Author/Creator: Heindl, L. A. 1916- (Leopold Alexander) Publication/Creation: Washington [D.C.] : U.S. G.P.O., 1965 Resource Type: Book Is Part Of: U.S. Geological Survey bulletin, no. 1193-1194. Access & Availability: Loading
18. Mesozoic(?) rocks in the Baboquivari Mountains, Papago Indian Reservation, Arizona Author/Creator: Heindl, L. A. 1916- (Leopold Alexander), author Publication/Creation: Washington, D.C. : United States Department of the Interior, Geological Survey, 1965 Resource Type: Book Access & Availability: Loading