20210831 12013600 1.0 TRUE Contours Year- 2012 This layer represents contour elevation lines as of the spring of 2012. The contours are derived from LiDAR data, collected in the spring of 2012.Important: The "special" contours (CONTOUR_TYPE = 2), are known to intersect in some places with other contours. This is a data quality issue and should be taken into consideration before using the data for any analytical or reference purpose. City of Austin, Capital Area Council of Governments (CAPCOG)