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Hornblende-plagioclase porphyry intrusives in the northeast quarter of the Ponce quadrangle, Puerto Rico

Open-File Report 71-176

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Additional Publication Details

Publication type:
Report
Publication Subtype:
USGS Numbered Series
Title:
Hornblende-plagioclase porphyry intrusives in the northeast quarter of the Ponce quadrangle, Puerto Rico
Series title:
Open-File Report
Series number:
71-176
Edition:
-
Year Published:
1971
Language:
ENGLISH
Publisher:
U.S. Geological Survey],
Description:
[2] leaves :col. ill., col. map ;27 cm.