Texas
Texas (Data layers defining map units 1, 2, 5, 6, 11, 12, 13, 20, 21, 24, 25, 26, 29, 30, 34, 35, 36, and 37 were digitized using 1995 and 1996 DOQQs and National Oceanic and Atmospheric Administration's (NOAA) Medium Resolution Digital Vector Shoreline. Data layers defining map units 3, 4, 7, 8, 9, 10, 14, 15, 16, 18, 19, 22, 23, 27, 28, 31, 32, and 33 were created using 1992 National Wetlands Inventory data (except for Unit TX-22, which had 2001 data available) and/or digitized using 2005 National Agriculture Imagery Program data and NOAA mean lower low water vector data).