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GEOLOGICAL SURVEY OF INDIA.

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N.-S., E.-W. AND Z. COMPONENTS, KEW.

SEISMOGRAM OF THE BALUCHISTAN (QUETTA) EARTHQUAKE OF MAY 31, 1935.

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(Scale. 1: 15,000,000) or 236.7 miles to 1 inch.

7

105°

Sianfu

ENSH

Chungking

110°

p-a⋅n stran

N

Wushan

HUPEH 30

KWANGSI

Hanoi Haiphong
GULF OF

West A

“Thanh-hoa. TONGKING “Hoangmai Vinh

Hatinh

Bolovens

Plateau

•Nanning

HAI

NAN

Hue. Tourane

LINES (STRAIGHT) ENCLOSE AREA OF LARGER MAP. LINES (CURVED) ENCLOSE
RED BASIN OF SZECHUAN. BROKEN LINE MARKS APPROXIMATELY KNOWN
WESTERN LIMIT OF THE GIGANTOPTERIS FLORA.
YUNNAN AND SURROUNDING REGIONS

35

G. S. I., Calcutta.

25

20

110°

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GEOLOGICAL SURVEY OF INDI A.

100°

CHIANG FU
8,200

D

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YUNG-PEITING

7.3001

Upper trias.

Upper Red Beds.

From traverses by J. Coggin Brown,

with additions by J. W. & C. J. Gregory, W. Credner and E. Saurin. HHHHHH! Devonian to Permian.

Transition systems.

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Yang-tze R.

Archaean.

8.500)

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3,750

Yang-tze R

Ma-kai
4,100

WU-TING CHOU 6,000

6,300

TING TYUAN HSIEN

CHEN-NAN CHOU KUANG-TUNG HSIEN

111

Hou-ching

FU-MIN HSIEN

Yu-pi-lang

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CHU-HSIUNG FU

6,150

NAN-AN CHOU

5,350
YI-MEN HSIEN

192°

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