Ralph Richards
11  Ergebnisse:
Personensuche X
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1

Contributions to economic geology (short papers and prelimi.. 

United States congressional serial set ; serial set no. 8470;House document / 68th Congress, 2nd session. House ; no. 510
 
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2

Bull Mountain coal field, Musselshell and Yellowstone Count.. 

United States congressional serial set ; serial set no. 7013;House document / 64th Congress, 1st session. House ; no. 1256
 
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3

Contributions to economic geology (short papers and prelimi.. 

United States congressional serial set ; serial set no. 6637;House document / 63rd Congress, 2nd session. House ; no. 306
 
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4

Geology of the phosphate deposits northeast of Georgetown, .. 

United States congressional serial set ; serial set no. 6648;House document / 63rd Congress, 2nd session. House ; no. 782
 
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5

Contributions to economic geology (short papers and prelimi.. 

United States congressional serial set ; serial set no. 6414;House document / 62nd Congress, 3rd session. House ; no. 1243
 
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6

Contributions to economic geology (short papers and prelimi.. 

United States congressional serial set ; serial set no. 5990;House document / 61st Congress, 3rd session. House ; no. 1464
 
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7

Contributions to economic geology (short papers and prelimi.. 

United States congressional serial set ; serial set no. 5979;House document / 61st Congress, 3rd session. House ; no. 1031
 
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8

Contributions to economic geology, 1908. Part II. -- Minera.. 

United States congressional serial set ; serial set no. 5464;House document / 60th Congress, 2nd session. House ; no. 1536
 
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9

Annual report of the Board of Regents of the Smithsonian In.. 

United States congressional serial set ; serial set no. 7229;House document / 64th Congress, 2nd session. House ; no. 1794
 
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10

Contributions to economic geology, 1905, [by] S.F. Emmons, .. 

United States congressional serial set ; serial set no. 5016;House document / 59th Congress, 1st session. House ; no. 833
 
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11

Bulletin of the Pan American Union. Vol. LXXXI. [January-Ju.. 

United States congressional serial set ; serial set no. 11192;House document / 80th Congress, 1st session. House ; no. 21, pt. 7, 8, 9, 10, 11 & 12
 
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