The trap dikes of the lake Champlain region /
Kemp, James Furman, 1859-1926.
The trap dikes of the lake Champlain region / by James Furman Kemp and Vernon Freeman Marsters. - Washington, Govt. Print. Off., 1893. - 62 p. : iv pl. (incl. front., fold. map) diagrs. ; 24 cm. - U.S. Geological survey. Bulletin no. 107 . - United States. Geological Survey. Bulletin ; 107. .
Literature of the diabases : p. 28-29.
Bibliographical foot-notes.
gs 05000681
Geology--Champlain Valley.
Dikes (Geology)
Igneous rocks.
QE75 / .B9 no. 107
The trap dikes of the lake Champlain region / by James Furman Kemp and Vernon Freeman Marsters. - Washington, Govt. Print. Off., 1893. - 62 p. : iv pl. (incl. front., fold. map) diagrs. ; 24 cm. - U.S. Geological survey. Bulletin no. 107 . - United States. Geological Survey. Bulletin ; 107. .
Literature of the diabases : p. 28-29.
Bibliographical foot-notes.
gs 05000681
Geology--Champlain Valley.
Dikes (Geology)
Igneous rocks.
QE75 / .B9 no. 107