Geologic map of the Annandale quadrangle, Fairfax and Arlington Counties, and Alexandria City, Virginia / by Avery Ala Drake, Jr. and Albert J. Froelich
1 map : color ; 58 x 45 cm, on sheet 87 x 112 cm, folded in envelope 30 x 24 cm
Type:
Maps
Place:
Virginia
Annandale
Fairfax County
Arlington County
Alexandria
Date:
1986
Notes:
Relief shown by contours and spot heights.
"Contour interval 10 feet."
"Crystalline rocks mapped by A.A. Drake, Jr. and A.E. Nelson, 1975-76 ; Cretaceous and younger rocks mapped by A.J. Froelich and Lucy McCartan, 1974-75."
Includes text, table, quadrangle location map, ancillary metamorphic map, schematic diagram, and 1 col. cross section.
