Subject: Geology / Spatial Coverage: Puerto Rico / Year: 1971 - Yale University Library GeoBlacklight Search Results

1971. 2012-11-07T20:10:19Z. 2022-07-11T15:27:14Z. McIntyre, David H. U.S. Geological Survey. English. Public. Puerto Rico.

1971. 2012-11-07T20:06:16Z. 2021-09-27T15:05:57Z. Seiders, Victor M. U.S. Geological Survey. English. Public. Puerto Rico.

1971. 2012-11-07T19:55:10Z. 2022-07-11T15:50:01Z. Seiders, Victor M. U.S. Geological Survey. English. Public. Puerto Rico.

1971. 2012-11-09T16:42:44Z. 2012-11-09T16:42:44Z. Monroe, Watson Hiner, 1907-1992. The Survey. English. Public. Puerto Rico.

1971. 2012-11-01T20:24:32Z. 2012-11-01T20:24:32Z. Briggs, Reginald Peter, 1929-. U.S. Geological Survey. English. Public. Puerto Rico.

1971. 2012-11-07T20:55:27Z. 2013-03-18T22:26:57Z. Tobisch, Othmar T. (Othmar Tardin), 1932-. The Survey. English. Public. Puerto Rico.

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