environmental assessment us border patrol, tucson sector

ii12345678910111213141516171819202122232425262728293031323334353637383940414243444546473.3.2.1 No Action Alternative ............................................................... 3-63.3.2.2 Preferred Alternative ................................................................. 3-63.3.2.3 Alternative 2.............................................................................. 3-63.3.2.4 Alternative 3.............................................................................. 3-73.3.2.5 Alternative 4.............................................................................. 3-73.4 WATER RESOURCES ....................................................................................... 3-83.4.1 Affected Environment .............................................................................. 3-83.4.1.1 Surface Water ............................................................................ 3-83.4.1.2 Hydrology and Hydraulics ........................................................ 3-83.4.1.3 Wetlands and Waters of the United States ................................ 3-83.4.1.4 Groundwater ........................................................................... 3-103.4.1.5 Floodplains .............................................................................. 3-103.4.2 Environmental Consequences ................................................................ 3-103.4.2.1 No Action Alternative ............................................................. 3-103.4.2.2 Preferred Alternative ............................................................... 3-103.4.2.3 Alternative 2............................................................................ 3-113.4.2.4 Alternative 3............................................................................ 3-113.4.2.5 Alternative 4............................................................................ 3-113.5 VEGETATIVE HABITAT ................................................................................ 3-123.5.1 Affected Environment ............................................................................ 3-123.5.1.1 Preferred Alternative ............................................................... 3-123.5.1.2 Alternative 2............................................................................ 3-123.5.1.3 Alternative 3............................................................................ 3-133.5.1.4 Alternative 4............................................................................ 3-133.5.2 Environmental Consequences ................................................................ 3-133.5.2.1 No Action Alternative ............................................................. 3-133.5.2.2 Preferred Alternative ............................................................... 3-143.5.2.3 Alternative 2............................................................................ 3-143.5.2.4 Alternative 3............................................................................ 3-143.5.2.5 Alternative 4............................................................................ 3-143.6 WILDLIFE RESOURCES ................................................................................. 3-143.6.1 Affected Environment ............................................................................ 3-143.6.1.1 Preferred Alternative ............................................................... 3-153.6.1.2 Alternative 2............................................................................ 3-153.6.1.3 Alternative 3............................................................................ 3-153.6.1.4 Alternative 4............................................................................ 3-153.6.2 Environmental Consequences ................................................................ 3-163.6.2.1 No Action Alternative ............................................................. 3-163.6.2.2 Preferred Alternative ............................................................... 3-163.6.2.3 Alternative 2............................................................................ 3-173.6.2.4 Alternative 3............................................................................ 3-173.6.2.5 Alternative 4............................................................................ 3-173.7 PROTECTED SPECIES AND CRITICAL HABITATS .................................. 3-183.7.1 Affected Environment ............................................................................ 3-183.7.1.1 Federally Listed Species ......................................................... 3-183.7.1.2 Critical Habitat ........................................................................ 3-223.7.1.3 San Bernardino NWR ............................................................. 3-22Douglas FOB EADraftAugust 2011