PERMIAN

GEOLOGICAL SURVEY

R. 30 E. 31 32 33 34 R. 35 E. BULLETIN 1026 PLATE 4
LOCATION OF SECTIONS I 9
1. Measured on north side of Clarks Fork of Yellowstone River, $1/2 sec. 6, T. 56.N., R. 103 W , Park County, | | ow
Wyo., by W. G. Pierce and R. P. Bryson, 1938. N i: gy =
Sor Sa fal y
2. Barnsdall well 2, Dorothy Fox, NW1/4 NE1/4NW1/4 sec. 7, T. 57N., R. 97 W., Sage Creek, Big Horn County, i iF <a 2 Fa rr
Wyo. Samples described by G. E. Prichard. eel in oad
ry y gle Hardin SN Ka 6) oO] &
3. Measured at Porcupine Creek and Sykes Mountain. Piper, Chugwater, and Embar formations measured in N1/2 I fe az
sec. 7, T. 57N., R. 94W., and NE1/4 sec, 12, T. 57. N., R. 95 W., Big Horn County, Wyo. Tensleep sand- i ope yee PE TIE Rane
stone and Amsden formation measured in $1/2 sec. 34 and W1/2 sec. 35, T. 9S,, R. 28 E., Carbon County, A CROW INDIAN RESERVATION. SS
Mont. Madison limestone and underlying formations measured in Devils Canyon, about half a mile east of IZ 8
junction of Porcupine Creek and Bighorn River, $1/2 sec. 25, T. 9S., R. 28 E. (unsurveyed), Big Horn County, 13 ail
Mont i
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4. Measured on north side of Bighorn Canyon, about 2 miles northeast of mouth of Big Bull Elk Creek in N1/2 sec. 5, sex Woody Se
T. 7S., R. 30E. (unsurveyed) and $1/2 sec. 32, T. 6S. R. 30 E. (unsurveyed), Big Horn County, Mont. B° poet | ss
53
a
5. Measured at Black Canyon Creek, Lime Kiln Creek, and Grapevine Creek. Basal Cloverly formation, and 2s
Morrison, Swift, Rierdon, and Piper formations measured in secs. 6 and 7; Chugwater formation measured in R28 E. R29,
sec. 28; Tensleep sandstone and Amsden formation measured in secs. 28 and 33, T. 6 S., R. 31E, All in Big |i ~ Creek
Horn County, Mont. Section below Piper formation measured by L, S. Gardner and C. P. Rogers, Jr., 1944.
ty. ny e c= — i
8. Inland Empire Refineries well 52-34, Crow tribal, SW 1/4, NW1/4NE1/4 sec. 34, T. 6S., R. 32E., Big Horn ¥ x3
County, Mont. Samples described by G. E. Prichard.
7. Measured on east flank of Soap Creek dome, E1/2 sec. 34 eastward to SW1/4 sec. 36, T. 6S., R. 32E., Big
Horn County, Mont. Sections above Thermopolis shale measured by W. A. Cobban; Thermopolis shale and @
Cloverly formation measured by C. P. Rogers, Jr., and P. W. Richards Se
8, Measured at Bighorn River, Little Bighorn River, and Nine Mile Coulee. Bearpaw shale and Parkman sandstone $
measured in secs. 7, 8, 9, and 10, T. 1S., R. 35 E.; Clagett shale member and shale member equivalent to a z
Eagle sandstone measured in sec. 13, T. 1S., R, 34. and sec. 18, T. 1S., R. 35 E.; Telegraph Creek jGrapevine g a
member measured in secs. 1 and 2, T. 2S,, R. 34 E.; and Niobrara shale member measured along a line from 6 3
sec. 15. T. 2S., R. 33 E. northward to sec, 25, T. 1S., R. 33, All in Big Horn County, Mont. Measured fe a
by W. A. Cobban, 1947 and 1948. 5 6-7 8
4
Dry Head |\Creek ‘3
9. Lower part of H. L. Hunt well l, Kendrick, SE1/4SE1/4 sec. 24, T. 1N., R. 34E., Big Horn County, Mont, G,. ey a
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Coneretionary shale Flat-pebble limestone conglomerate . Fa
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Sandstone with chert Number of unit described ro
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Sandstone with quartzitic streaks 23 H 2
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=| SURFACE AND SUBSURFACE SECTIONS FROM NORTH OF CODY, WYO., ACROSS THE NORTHERN END OF THE BIGHORN BASIN AND THE BIGHORN MOUNTAINS TO HARDIN, MONT.
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a 334328 O - 55 (In pocket) No. 3
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