Source/System Identifier: Library Control Number (LCN):Record Identifier:Title: Portage, INSeries Identifier: Sheet Number: O41087E2Edition:Scale: 24000Publisher Name/Code: U.S. Geological Survey 090200Secondary Publisher Name/Code:NGA Reference Number: National Stock Number:Inset:Coordinates: -87.250000 -- -87.125000 / 41.625000 -- 41.500000Primary Geopolitical Description/Code: UNITED STATES/USSecondary Geopolitical Description/Code: IN 18Primary (Significant) Date: 19970107Item Classification/Releasability Constraints:Unclassified ZZProjection Description/Code: Universal Transverse MercatorHorizontal Datum Description/Code: NAD27/Predicted 83Vertical Datum Description/Code: See LegendEllipsoid/Spheroid Description/Code: GRS 1980Grid Description/Code: Universal Transverse MercatorContour Interval Dimensions/Units: See Legend/metersLeft Latitude (MBR): 41.500000Left Longitude (MBR): -87.250000Right Latitude (MBR): 41.625000Right Longitude (MBR): -87.125000PDF Version: 1.6