Legend (OASIS/oasis_web)

Alabama Sale and Leasing of Sand Boundary (2) Alabama Authorization for Leasing of Certain State Lands for Oil and Gas Exploration (3) Alabama State Port Authority Jurisdiction (4) U.S. Coast Guard Districts (5) U.S. Army Corps of Engineers Regulatory Districts (6) Minerals Management Service New Orleans District (7) 3 Mile Limit of Zone Revenues that are Shared with the Coastal State(s) (8) Archaeology Survey Blocks (10) No Survey Required 50-Meter Survey, Contact MMS Archaeology Unit for guidelines 50-Meter Survey 300-Meter Survey Minerals Management Service Field Unit Polygons (12) Federal Lease Blocks (13) Active Federal Lease Blocks (14) Alabama Lease Blocks (15) Minerals Management Service Platforms (16) State of Alabama Platforms (17) Minerals Mangement Service Pipelines (18) Minerals Management Service Protraction Polygons (19) U.S. Army Corps of Engineers Proposed Cables and Pipelines, 2008 (20) Electrical Transmission Lines (21) Transmission pipelines, Baldwin and Mobile Counties (22) Shipping Fairways (24) Major Highways (25) Lateral Buoy (27) Special Purpose/General Buoy (28) Safe Water Buoy (29) Fish Havens (32) Mississippi, Alabama and Florida Seagrasses (33) Oyster Reefs, 1968 (34) Oyster Reefs, 1995 (35) Oyster Reefs, 2001 (36) Offshore Alabama Artificial Reef (37) Hardbottoms (39) 17 Fathom Role Big Rock/ Trysler Ground Southeast Banks Southwest Rock Olsen Associates Borrow Sites (40) Potential Borrow Sites (Byrnes and others, 1999) (41) U.S. Army Corps of Engineers Sand Island Beneficial Use Area (42) U.S. Army Corps of Engineers North Disposal Areas (43) Artificial Reef Permit Areas (44) Minerals Management Service Live Bottom Stipulation Blocks (45) Low Relief Pinnacle Trend Sand Source Areas (46) Tier 1 Delineations Tier 2 Delineations Alternative Sand Delineations (47) Automated Wreck and Obstruction Information System (49) Unknown - AWOIS feature Obstruction - Submerged Obstruction - visible at high water Rocks - awash Wrecks - visible Wrecks - submerged; danger to surface navigation Wrecks - submerged; nondangerous Rocks - covered at low water Soundings - feet and tenths Soundings - fathoms and tenths Obstruction - covers/uncovers (awash) Soundings - wire-drag clearance, feet National Oceanic and Atmospheric Administration Dangers to Navigation (50) Below -2 meters -2 to 0 meters 0 to 2 meters Above 2 meters National Oceanic and Atmospheric Administration Marine Debris (51) 0 to 10 feet 10 to 20 feet 20 to 30 feet More than 30 feet Military Warning Areas (52) National Oceanic and Atmospheric Administration Sediment Sampling Locations (55) Gravel Mud Other Sand Shell Byrnes Survey 1 (57) 10.40 - 90.00 90.01 - 94.00 94.01 - 97.00 97.01 - 100.00 Byrnes Survey 2 (58) 10.40 - 90.00 90.01 - 94.00 94.01 - 97.00 97.01 - 100.00 Smithsonian Institute (59) H09118 H10042 H10053 H10114 H10151A H10179 H10180 H10206 H10226 H10247 H10261 H10525 WH-53-83 Mississippi, Alabama, and Florida Core (60) 4 - 90 91 - 94 95 - 97 98 - 100 Deck 41 Seafloor Surficial Sediment Description Database Locations (61) Unknown Clay Coarser than sand Mud Organic material Rocks, rock fragments Sand Silt U.S. Army Corps of Engineers Vibracore Locations (62) The Geological Survey of Alabama/ U.S. Geological Survey Sample Locations (63) The Geological Survey of Alabama/ Minerals Management Service Sample Locations (64) Exxon Foundation Borings (65) Naval Oceanographic Office Cores (2001) (67) Olsen Vibracores (1999) (69) Olsen Vibracores (2002) (70) Olsen Vibracores (2006) (71) McBride Vibracore Locations (1997) (73) Calculated (75) Geological Survey of Alabama National Geophysical Data Center, National Oceanic Data Center National Geophysical Data Center, National Oceanic Data Center Minerals Management Service National Oceanic and Atmospheric Administration (Mussel Watch) National Oceanic and Atmospheric Administration (Benthic Surveillance) Smithsonian Institute U.S. Naval Oceanographic Lab U.S. Geological Survey The Mississippi, Alabama and Florida Study Florida State University (Holmes Compilation: Pensacola Bay) Florida State University (Holmes Compilation: Mobile Bay) Universtiy of South Florida, St. Petersburg U.S. Environmental Protection Agency (Environmental Monitoring and Assessment Program) Northern Gulf Littoral Initiative University of New Orleans Universtiy of South Florida, St. Petersburg URS Corporation Florida Geological Survey Component (76) Geological Survey of Alabama, Minerals Management Service National Geophysical Data Center, National Oceanic Data Center National Geophysical Data Center, National Oceanic Data Center Minerals Management Service Smithsonian Institute U.S. Naval Oceanographic Lab University of South Florida, St. Petersburg University of New Orleans Extracted (77) Geological Survey of Alabama, Minerals Management Service National Geophysical Data Center, National Oceanic Data Center Minerals Management Service National Oceanic and Atmospheric Administration (Mussel Watch) National Oceanic and Atmospheric Administration (Benthic Surveillance) U.S. Naval Oceanographic Lab U.S. Geological Survey The Mississippi, Alabama and Florida Study Florida State University (Holmes Compilation: Pensacola Bay) Florida State University (Holmes Compilation: Mobile Bay) Universtiy of South Florida, St. Petersburg U.S. Environmental Protection Agency (Environmental Monitoring and Assessment Program) Northern Gulf Littoral Initiative Universtiy of South Florida, St. Petersburg URS Corporation Florida Geological Survey Facies (78) Geological Survey of Alabama, Minerals Management Service Smithsonian Institute University of New Orleans Parsed (79) Geological Survey of Alabama & Minerals Management Service National Geophysical Data Center, National Oceanic Data Center National Geophysical Data Center, National Oceanic Data Center Minerals Management Service Smithsonian Institute U.S. Naval Oceanographic Lab Universtiy of South Florida, St. Petersburg University of New Orleans The Universtiy of South Florida, St. Petersburg (80) 1.060000 - 1.250000 1.250001 - 1.500000 1.500001 - 1.750000 1.750001 - 2.000000 2.000001 - 2.500000 GSA Beach Sediment Samples, 2005 (81) Beach Profiles (1988-2000) (85) Beach Profiles (2001-2008) (86) Beach Profiles (2009) (87) The University of South Alabama (88) Olsen Associates (89) Bottom Sediments (90) Clay Clayey Sand Clayey Silt Gravelly Sand Hard Banks Sand Sand Silt Clay Sandy Clay Sandy Silt Silt Silty Clay Silty Sand Sand Isopach Contours (92) 5 10 Sand Isopach Polygons (93) 10+ Incised Valley (Greene) (95) Red: Band_1 Green: Band_2 Blue: Band_3 Holocene Sediments Exluding Marsh in East Alabama Shelf (96) Red: Band_1 Green: Band_2 Blue: Band_3 Northern Gulf Littoral Initiative Sediment Map (97) Red: Band_1 Green: Band_2 Blue: Band_3 Pre-Existing Surface Sediment Texture Map East Alabama (98) Red: Band_1 Green: Band_2 Blue: Band_3 Sand Sheet plus DeltaFront Lithofacies and Paleochannels in East Alabama (99) Red: Band_1 Green: Band_2 Blue: Band_3 Shelly Sand Lithofacies off Dauphin Island 0.1 m (100) Red: Band_1 Green: Band_2 Blue: Band_3 Shelly Sand Lithofacies off Dauphin Island 2.1 m (101) Red: Band_1 Green: Band_2 Blue: Band_3 Surface Sand Sheet Lithofacies in East Alabama (102) Red: Band_1 Green: Band_2 Blue: Band_3 Surface Lithofacies Distribution in East Alabama (103) Red: Band_1 Green: Band_2 Blue: Band_3 1993 Cross Sections (105) A'-A'' A-A' B-B' C-C' D-D' E-E' F'-F'' F-F' G-G' H-H' I-I' 1995 Cross Sections (106) A-A' B-B' C-C' D-D' E-E' F-F' G-G' H-H' I-I' 1996 Cross Sections (107) BB-BB' CC-CC' DD-DD' EE-EE' FF-FF' GG-GG' HH-HH' J-J' K-K' L-L' M-M' N-N' 1999 Cross Sections (108) AA-AA' AB-AB' AC-AC' AD-AD' AE-AE' AF-AF' AG-AG' V''-V''' V'-V'' V-V' W''-W''' W'-W'' W-W' X'-X'' X-X' Y-Y' Z-Z' Geology (Mobile and Baldwin Counties) (109) Alluvial, coastal and low terrace deposits Citronelle Formation High terrace deposits Miocene Series undifferentiated West Alabama Distribution of Facies (110) Beach (foreshore) Coastal Eolian Dune Ebb-Tidal Delta Marsh Open Bay Surficial Sand Sheet Sediment Distribution (111) Clay Clayey Silt Sand Sand/Silt/Clay Sandy Silt Silty Clay Silty Sand Sediment Mobile Bay (112) Clay Clay-Silt-Sand Clayey Sand Clayey Silt Oyster Reef Sand Sandy Clay Silt Silty Clay Silty Sand Sediment Types (113) Clay Coral Mud Shells Sedimentary Facies (114) Surface Sediment Lithology (115) Clayey Sand Sand Sand/Silt/Clay Sandy Silt Silty Clay Silty Sand Surface Lithofacies (116) Echinoid Sand Graded Shelly Sand Mud Muddy Sand Muddy Shell Sand Sand Silt Clay Sand with Mud Burrows Shelly Sand Silty Clayey Sand Olsen Sand Isopach Delineations (1999) (117) Olsen Sand Isopach Extent (1999) (118) Louisiana State University (1997) (119) A-A' AA-AA' B-B' C-C' D-B D-D' E-E' Long-Term (1978 - 2007) Shoreline Change Transects (120) Less than -15 -15.0 - -10.0 -9.9 - -5.0 -4.9 - -0.1 0.0 0.1 - 5.0 5.1 - 10.0 10.1 - 15.0 Over 15 Lease Sales of AL6769 Seismic Lines (1988) (123) 1 2 3 4 5 6 7 8 24 25 26 27 28 29 30 31 32 33 52 53 54 55 56 57 58 59 828/826-A 828/826-B 823/819-A 824/819-B 870/864-C 870/864-D National Oceanic and Atmospheric Administration Track Lines (124) LSAL6769 R/V Acadian 1987 Shot Points - Boomer (126) R/V Acadian 1987 Seismic Line - Boomer (127) 53 54 55 56 57 58 59 60 61 81GY6 Start Point (130) 81GY6 Segment Point (131) 81GY6 Shot Location - Minisparker (132) USGS 81GY6 Tracklines - Minisparker (133) 1 2 81CA1 Start Point (135) 81CA1 Segment Point (136) 81CA1 Shot Location - Boomer (137) USGS 81CA1 Tracklines - Boomer (138) 1 2 90KI1 Start Point (140) 90KI1 Segment Point (141) 90KI1 Shot Location - Boomer (142) USGS 90KI1 Tracklines - Boomer (143) 1 2 91KI2 Start Point (145) 91KI2 Segment Point (146) 91KI2 Shot Location - Boomer (147) USGS 91KI2 Tracklines - Boomer (148) 1 2 Locker (1988) Shot Location - Boomer (150) Locker Tracklines (1988) - Boomer (151) 1 10 13 14 2 5 6 9 R/V Atlantic Twin (1999) - Chirp 2-10KHz (153) R/V Atlantic Twin (2006) - Ping 3.5KHz (154) 1 2 3 R/V Atlantic Twin Perdido Key (2006)- Ping 3.5KHz (155) 1 10 11 12 2 3 4 5 6 7 8 9 R/V Flying Tiger (1980) Shot Points (157) R/V Flying Tiger (1980) Minisparker - 7 kHz (158) GM12 GM15 GM16 GM16B GM1_1 GM1_2 GM1_3 GM2 GM3 GM4 GM6 GM7 GM8 GM9 GM10 GM11 MB35 MB36 Study Areas (160) Bathymetric Contours (1 meter) (162) -2 -4 -6 -8 -10 -12 -14 -16 -18 -20 -22 -24 -26 -28 -30 -32 -34 -36 Alabama Counties (164) Federal / State Boundary (165) Census Designated Places (2000) (166) Gulf of Mexico States (167) Gulf of Mexico Shoreline (168) State Plane Zones (NAD 83) (170) Zone Boundary Latitude & Longitude, 0.5 Degree Grid (171) Public Land Survey System (172) Geodetic Control Points (173) Bathymetry (higher resolution) (175) High : 5.48768 - Low : -36.0948 Bathymetry (lower resolution) (176) High : 90.5044 - Low : -241.182 GSA Data Extent (177)