@book{ Solr-1585063, title = {Libya 1:500,000.}, series = {GSGS (Series) ;}, editor = {Great Britain. War Office. General Staff. Geographical Section}, editor = {United States. Army Map Service}, address = {Washington, D.C.}, publisher = {Army Map Service}, year = {1942}, note = {Complete in 55 sheets? Set includes various issues of some sheets, some reissued by U.S. Army Map Service.}, note = {Relief shown by contours, hachures, form lines, or spot heights.}, note = {Some sheets have notes descriptive of the topography.}, note = {Military grid.}, note = {Seven classes of roads and three classes of air fields are indicated.}, note = {"Glossary" on most sheets.}, note = {Marginal diagrams: Index to adjoining sheets.--Reliability diagram.}, url = {http://www.lib.uchicago.edu/e/collections/maps/indexes/G8260-s500-G7-index.jpg} }