The gabbros and associated intrusive rocks of Harford County, Maryland ... by Herbert Insley ...
|Main Author:||Insley, Herbert, 1893-|
Baltimore, The Johns Hopkins press, 1928.
Petrology > Maryland > Harford County.
Published also in the Report of the Maryland Geological survey. 1896, v. 12, pt. IV, 1928.
2 p. l., p. 291-332, 1 l.
|Original Classification Number:||QE 461 .I6|
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