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11
Geology of the Aspen 15-minute quadrangle, Pitkin and Gunnison Counties, Colorado
Argitaratua 1979Liburua -
12
Bibliography of geology and hydrology, San Juan Basin, New Mexico, Colorado, Arizona, and Utah
Argitaratua 1979Liburua -
13
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14
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15
Suggestions to authors of the reports of the United States Geological Survey.
Argitaratua 1978Liburua -
16
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17
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18
Minorities and women in private industry, 1975 an analysis of EEO-1 employment
Argitaratua 1977Liburua -
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20
The macroeconomic goals of the administration for 1981, targets and realizations a study
Argitaratua 1977Liburua