Inventory of Robert C. Speed Unpublished Geologic Maps

Collection Home	Inventory	Remembering Bob Speed

The original paper maps were donated to, and are stored at, the Northwestern University Archives by Mrs. Christine Speed, Trustee of the Robert C. Speed Estate. The maps were inventoried by Christine Speed and Christopher Henry, October 20-21, 2008.  Base maps are 7.5 minute (7.5’) and 15 minute (15’) quadrangle maps except as noted.  Suggested sample citation (map title to be modified): Speed, R.C., undated (unpublished map), Rock Hill 7.5-minute quadrangle, Esmeralda County, Nevada [preliminary geologic map]: Nevada Bureau of Mines and Geology Robert C. Speed Geologic Map Collection, http://www.nbmg.unr.edu/Departments/GBSSRL/Collections/Speed/inventory.html, and any use of the maps should acknowledge Northwestern University Archives, and the Nevada Bureau of Mines and Geology.

Candelaria Hills and Mina Areas

1. Rock Hill 7.5’, Esmeralda County. Penciled, hand-colored geology, mostly southwest of US Highway 95 in the Candelaria Hills. Abundant structural measurements and field notations. Notes about five fossil ages.

2. Belleville 7.5’, Mineral County. Penciled, hand-colored geology, mostly in the northern half in the Candelaria Hills and Excelsior Mountains. Abundant structural measurements and field notations.

3. Columbus 7.5’, Mineral County.  Inked, hand-colored geology, mostly in northwestern 2/3 and mostly of Tertiary volcanic rocks with some Paleozoic and Late Proterozoic. Abundant structural measurements, mostly in the pre-Cenozoic rocks. Hand drawn and colored stratigraphic column.

4. Miller Mountain 7.5’, Mineral County.  Inked, partly hand-colored geology of the entire quadrangle. Abundant structural measurements, mostly in the pre-Cenozoic rocks. Partial stratigraphic column for Tertiary volcanic rocks.     NOTE: Mapping by JH Stewart.

5. Belleville 7.5’, Mineral County. Inked, partly hand-colored geology of the entire quadrangle. Abundant structural measurements.

6A. Belleville 7.5’ (east half), Mineral County. Penciled, partly hand-colored geology, probably a preliminary version of #5.  However, also has numerous field notations. Partial Quaternary-Tertiary stratigraphic column.

6B. Candelaria 7.5’ (west half), Mineral County. Penciled, partly hand-colored geology. Abundant structural measurements.

7. Belleville 7.5’, Mineral County. Inked, uncolored geology, mostly of the eastern half. Abundant structural measurements. Probably a preliminary version of #5.

19. Candelaria 7.5’, Mineral and Esmeralda counties. Inked, partly hand-colored geology of the entire quadrangle. Abundant structural measurements. Comprehensive, hand drawn stratigraphic column.

20. Candelaria 7.5’, Mineral and Esmeralda counties. Inked, partly hand-colored geology of the entire quadrangle (same as #19). Early version of #19 but with additional hand drawn geology and numerous field notations.

21. Candelaria 7.5’, Mineral and Esmeralda counties. Inked, uncolored geology of the most of the quadrangle (base for #19). Abundant structural measurements.

22. Candelaria 7.5’ and north part of Columbus 7.5’, Mineral and Esmeralda counties. Penciled, hand-colored geology. Abundant structural measurements. Partial stratigraphic column, probably for Columbus. Numerous numbered locations, probably tied to field notes.

23A, B. Candelaria 7.5’ and Belleville 7.5’, Mineral and Esmeralda counties. Inked, partly hand-colored geology of the Candelaria Hills. Some field notes. Gravity contours with gravity stations for the entire two quadrangles.

24. Candelaria 7.5’, (east half), and west half of Belleville 7.5’, Mineral and Esmeralda counties. Small amount of penciled, partly colored geology near the county line of the Candelaria quadrangle. Stratigraphic column of Tertiary volcanic rocks.

25. Candelaria 7.5’, Mineral and Esmeralda counties. Inked, uncolored geology, early version. Abundant structural measurements and some field stations.

26. Candelaria 7.5’, Mineral and Esmeralda counties. Inked, uncolored geology, early version., Similar to #25 but without field stations.

27 missing?

--- Candelaria 7.5', Preliminary Geologic Map, Mineral and Esmeralda counties.

28A. Mina 7.5’, Mineral County. Penciled mylar, partly hand-colored geology of the southeastern part of the quadrangle in the Gabbs Valley Range.

28B. Bettles Well 7.5’, Mineral County. Non-topographic mylar showing detailed, penciled, partly hand-colored geology. Abundant structural measurements.

29. Mable Mountain 7.5’, Mineral County. Detailed, inked, hand-colored geology of the Garfield Hills. Abundant structural measurements.

30. Pamlico 7.5’, Mineral County. Detailed, inked, partly hand-colored bedrock geology. Abundant structural measurements.

31. Mina 7.5’, Mineral County. Detailed, inked, partly hand-colored, bedrock geology of the Gabbs Valley Range in the eastern half of the quadrangle. More complete than #28.

32. Mina NW 7.5’, Mineral County. Detailed, inked, hand colored, bedrock geology of the entire quadrangle. Abundant structural measurements.

34. Sodaville 7.5’, Mineral County. “Preliminary Geologic Map of the Sodaville Quadrangle, R.C. Speed, 1979” Detailed, inked, uncolored bedrock geology with cross section.

West Humboldt and Stillwater Ranges, Greater Lovelock Area

9. Humboldt Salt Marsh 15’ (north half, Bolivia and Boyer Ranch 7.5’), Churchill County.  Inked, partly colored but unlabeled geology of the Stillwater Range in the northwestern part of the quadrangle.

10. Lovelock 15’ (Coal Canyon, Wildhorse Pass, and Wildhorse Spring 7.5’), Pershing County. Penciled, hand-colored geology of the Humboldt Range.

11. Lovelock 15’ (Coal Canyon, Wildhorse Pass, and Wildhorse Spring 7.5’), Pershing County. “Preliminary Geologic Map of Lovelock Quad. R. Speed – 1969” Inked, partly hand-colored but unlabeled geology of the Humboldt Range (see #10 for labeling). Comprehensive stratigraphic column. 

12. Lovelock 15’ (Coal Canyon, Wildhorse Pass, and Wildhorse Spring 7.5’), Pershing County. “Preliminary Geologic Map of Lovelock Quad. R. Speed – 1969” Inked, uncolored and unlabeled geology of the Humboldt Range (see #10 for labeling). Comprehensive stratigraphic column. Similar to 11 with possible gravity contours in northeastern Carson Sink in southeastern part of quadrangle, and note about “some limy beds near J-Tr boundary, “Himauctites” just below contact”.

13. Lovelock 15’ (Coal Canyon, Wildhorse Pass, and Wildhorse Spring 7.5’), Pershing County. “Preliminary Geologic Map of Lovelock Quad. R. Speed – 1969” Inked, mostly colored, unlabeled geology of the Humboldt Range (see #10 for labeling). Comprehensive stratigraphic column. Similar to 11 with possible gravity contours in northeastern Carson Sink in southeastern part of quadrangle.

14. Dixie Hot Springs 15’ (Buena Vista Hills S, Dixie Hot Springs NE, Fondaway Canyon, and Dixie Hot Springs 7.5’), Churchill County. Inked, hand colored bedrock geology of the Stillwater Range.

15. Carson Sink 15’ (Ocala and Carson Sink NW 7.5’), Churchill County. Inked, hand colored bedrock geology of the Mopung Hills, southwestern end of the West Humboldt Range.

16. Boyer Ranch 7.5’ (part of Humboldt Salt Marsh 15’), Churchill County. Inked, hand-colored geology of part of the Stillwater Range; more than in #9, but also unlabeled.

44. Bolivia 7.5’ (labeled Edwards Creek Valley 2 NW 7.5’, preliminary USGS topographic map and name), Churchill County. Inked, hand colored bedrock geology of the Stillwater Range.

17. Carson Sink 15’ (Lovelock Indian Caves, Ocala, and Carson Sink NW 7.5’ part, enlarged), Churchill County. Inked, hand colored but unlabeled geology of the West Humboldt Range and Mopung Hills.

18A, B. Fondaway Canyon and Dixie Hot Springs 7.5’ (labeled Coppereid 1 SE and 1 SW 7.5’, Preliminary USGS topographic maps and names, taped together), Churchill County. Penciled, hand-colored geology of parts of the Stillwater Range. Abundant structural measurements.

33. Fencemaker 15’ (Logan Peak and Fencemaker Pass 7.5’), Pershing County. Inked, hand-colored, bedrock geology of the Stillwater Range in the two 7.5’ quadrangles. Hand drawn and colored stratigraphic column.

35. Buffalo Mountain 15’ (Buena Vista Hills North 7.5’), Pershing County. Inked, hand colored, reconnaissance bedrock geology of the Buena Vista Hills.

Toiyabe–Toquima Ranges

38. South Toiyabe Peak 7.5’ (Toiyabe Peak on map), Nye County. Detailed, inked, uncolored geology of part of the northeastern part of the quadrangle. Abundant structural measurements.

43. Geologic Map of Toiyabe and Toquima Ranges (1:250,000), Lander and Nye counties, compilation by RC Speed. Inked, partly hand colored bedrock (mostly pre-Cenozoic) geology.

Clan Alpine and Augusta Mountains

37. Cain Mountain 7.5’ quadrangle (enlarged), Pershing and Lander Counties. Detailed, inked, uncolored, pre-Cenozoic geology of the Cain Mountain area, Augusta Mountains. Abundant structural measurements.

40A&B. Shoshone Meadows 15’ (Hole in the Wall, Shoshone Meadows NE, Shoshone Meadows, and Shoshone Meadows SE 7.5’) and southeastern corner of Humboldt Salt Marsh 15’ (Bernice Canyon 7.5’) quadrangles, Churchill County. Detailed, inked, hand colored bedrock geology of the Clan Alpine Mountains. Abundant structural measurements. Tertiary volcanic rocks are generalized. 40A, B taped together

40C&D. Clan Alpine Ranch (Byers Canyon 7.5’) and Edwards Creek Valley (Tungsten Mountain 7.5’) 15’ quadrangles, Churchill County. Detailed, inked, hand colored bedrock geology of the Clan Alpine Mountains. Abundant structural measurements. Tertiary volcanic rocks are generalized. 40C, D taped together.

41. Composite of 40A,B,C,D, Churchill County. Same as 40A,B,C,D, possibly preliminary version, but only partly colored and with some additional geology in Byers Canyon 7.5’.

42A, B. Hole in the Wall and Shoshone Meadows NE 7.5’ (labeled Edwards Creek Valley 1 NW, 1 NE 7.5’, preliminary USGS topographic maps and names), Churchill County. Partly inked, partly penciled, partly hand colored bedrock geology of the Clan Alpine Mountains, probably variant of 40A&B with more detail and larger scale.

Other

8. Donna Schee Peak 7.5’ (labeled Bottle Creek 3 SE 7.5’), Humboldt County. Penciled, uncolored partial geology of the Jungo Hills in the southwestern part of the quadrangle. Some structural measurements and field notations.

39. Sand Springs Hills, non-topographic base and unknown scale, probably Big Kasock Mountain 7.5’ quadrangle, Mineral County. Inked, partly hand-colored geology. Probably incorporated into NBMG Map 133, Geologic map of the southern Sand Springs Range, Churchill and Mineral counties, Nevada.