Digital geologic map and database of the Frederick 30 x 60 minute quadrangle, Maryland, Virginia, and West Virginia

Autor:	Scott Southworth, David K. Brezinski, Avery Ala Drake, William C. Burton, Randall C. Orndorff, Albert J. Froelich, James E. digital compilation by Reddy, Danielle Denenny
Rok vydání:	2002
Předmět:	Quadrangle West virginia Geologic map Geomorphology Geology
Zdroj:	Open-File Report.
ISSN:	2331-1258
DOI:	10.3133/ofr02437
Popis:	The geology of the Frederick 30 by 60 minute quadrangle, Maryland, Virginia, and West Virginia, was mapped on 1:24,000-scale base maps from 1989 to 1994. The geologic data were manually compiled at 1:100,000-scale in 1997 and were digitized and converted to Arc/Info GIS coverages from 1998 to 1999.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::95a9fa00ef3830d63c100c47e3854473 https://doi.org/10.3133/ofr02437 Zobrazit plný text záznamu