vector digital data Howard County, MD 2' contours extracted from a combination of LiDAR and hydro breaklines for approximately 256 Square Miles. LiDAR inputs have been provided by Surdex. Hydro breakline and approximate area delineation inputs have been provided by Axis Geospatial. To acquire detailed surface elevation data for use in conservation planning, design, research, floodplain mapping, dam safety assessments, and hydrologic modeling -77.187603 -76.695221 39.369748 39.102483 ISO 19115 Topic Categories elevation None unknown Contours generated by The Sanborn Map Company, Inc. (from 3rd party data) through contract with KCI Technologies. Microsoft Windows 7 Version 6.1 (Build 7601) Service Pack 1; ESRI ArcGIS 10.0.4.4000 Vector String 267889 Lambert Conformal Conic 38.3 39.45 -77.0 37.66666666666666 1312333.333333333 0.0 coordinate pair 0.0003280833333333334 0.0003280833333333334 D North American 1983 GRS 1980 6378137.0 298.257222101 North American Vertical Datum of 1988 0.000000 feet Explicit elevation coordinate included with horizontal coordinates contours OBJECTID Internal feature number. ESRI Sequential unique whole numbers that are automatically generated. Shape Feature geometry. ESRI Coordinates defining the features. ContourType Elevation Shape_Length Length of feature in internal units. ESRI Positive real numbers that are automatically generated. 20120712 The Sanborn Map Company, Inc. Luiz Cortes Project Manager mailing and physical

6701 Carmel Road

Suite 301

Charlotte NC 28226 UNITED STATES 704.347.4552 704.347.4515 lcortes@sanborn.com FGDC Content Standard for Digital Geospatial Metadata FGDC-STD-001-1998 local time