| Area | 
    Category | 
    Topic | 
    Chart Page | 
    Data Page | 
    Pictures Page | 
  
   
    | Basin-wide/Regional | 
    Other | 
     Mattole Basin Location Maps | 
    - | 
    - | 
     Pictures  | 
  
   
    | Basin-wide/Regional | 
    Other | 
     Mattole Basin Climate and Land Cover Maps | 
    - | 
    - | 
     Pictures  | 
  
   
    | Basin-wide/Regional | 
    Other | 
     Mattole Basin Geology Maps | 
    - | 
    - | 
     Pictures  | 
  
   
    | Basin-wide/Regional | 
    Amphibs | 
    Less Sensitive Species and Vegetation | 
     Chart  | 
     Data  | 
    - | 
  
   
    | Basin-wide/Regional | 
    Amphibs | 
    Sensitive Species and Vegetation with Photo Tour | 
     Chart  | 
     Data  | 
     Pictures  | 
  
   
    | Basin-wide/Regional | 
    Aq Insects | 
    EPT Index, PALCO | 
     Chart  | 
     Data  | 
    - | 
  
   
    | Basin-wide/Regional | 
    Aq Insects | 
    Percent Dominant Taxa, PALCO | 
     Chart  | 
     Data  | 
    - | 
  
   
    | Basin-wide/Regional | 
    Aq Insects | 
    Richness Index, PALCO | 
     Chart  | 
     Data  | 
    - | 
  
   
    | Basin-wide/Regional | 
    Climate | 
    Annual Rainfall at Petrolia, CA | 
     Chart  | 
     Data  | 
    - | 
  
   
    | Basin-wide/Regional | 
    Climate | 
    Annual Rainfall at Whitethorn, CA | 
     Chart  | 
     Data  | 
    - | 
  
   
    | Basin-wide/Regional | 
    Climate | 
    Maximum Daily Rainfall at Petrolia, CA | 
     Chart  | 
     Data  | 
    - | 
  
   
    | Basin-wide/Regional | 
    Climate | 
    Maximum Daily Rainfall at Whitethorn, CA | 
     Chart  | 
     Data  | 
    - | 
  
   
    | Basin-wide/Regional | 
    Fish | 
    Chinook Eggs Taken and Juveniles Released by Brood Year | 
     Chart  | 
     Data  | 
    - | 
  
   
    | Basin-wide/Regional | 
    Fish | 
    Coho Eggs Taken and Juveniles Released by Brood Year | 
     Chart  | 
     Data  | 
    - | 
  
   
    | Basin-wide/Regional | 
    Fish | 
    Electrofishing at 24 Mattole Stations, 1972, Salmonid Density | 
     Chart  | 
     Data  | 
    - | 
  
   
    | Basin-wide/Regional | 
    Fish | 
    Electrofishing at 24 Mattole Stations, 1972, Steelhead Vs Coho | 
     Chart  | 
     Data  | 
    - | 
  
   
    | Basin-wide/Regional | 
    Fish | 
    Outmigrant Catch by Species in Lower Mainstem, 1995 | 
     Chart  | 
     Data  | 
    - | 
  
   
    | Basin-wide/Regional | 
    Fish | 
    Outmigrant Catch by Species in Lower Mainstem, 1996 | 
     Chart  | 
     Data  | 
    - | 
  
   
    | Basin-wide/Regional | 
    Fish | 
    Outmigrant Catch by Species in Lower Mainstem, 1997 | 
     Chart  | 
     Data  | 
    - | 
  
   
    | Basin-wide/Regional | 
    Fish | 
    Outmigrant Catch by Species in Lower Mainstem, 2000 | 
     Chart  | 
     Data  | 
    - | 
  
   
    | Basin-wide/Regional | 
    Fish | 
    Outmigrant Coho and Steelhead in Conklin and Mill Creeks, 1992 | 
     Chart  | 
     Data  | 
    - | 
  
   
    | Basin-wide/Regional | 
    Fish | 
    Outmigrant Salmonids by Date in Lower Mainstem, 1997 | 
     Chart  | 
     Data  | 
    - | 
  
   
    | Basin-wide/Regional | 
    Fish | 
    Salmon Population Estimate, 1981-2000 | 
     Chart  | 
     Data  | 
    - | 
  
   
    | Basin-wide/Regional | 
    Fish | 
    Salmon Redds per Mile by Reach, 1994-2000 | 
     Chart  | 
     Data  | 
    - | 
  
   
    | Basin-wide/Regional | 
    Fish | 
    Salmon Redds per Mile by Year, 1994-2000 | 
     Chart  | 
     Data  | 
    - | 
  
   
    | Basin-wide/Regional | 
    Flow | 
    Mattole at Honeydew 1973-1977, Select Year | 
     Chart  | 
     Data  | 
    - | 
  
   
    | Basin-wide/Regional | 
    Flow | 
    Mattole at Petrolia, 1912-1995, Select Year | 
     Chart  | 
     Data  | 
    - | 
  
   
    | Basin-wide/Regional | 
    Flow | 
    Mattole at Petrolia, Low Flows by Year, 1912-2000 | 
     Chart  | 
     Data  | 
     Pictures  | 
  
   
    | Basin-wide/Regional | 
    Flow | 
    Mattole at Petrolia, Maximum Average Daily Flow, 1912-1995 | 
     Chart  | 
     Data  | 
     Pictures  | 
  
   
    | Basin-wide/Regional | 
    Flow | 
    Mattole at Petrolia, Peak Events Ranked, 1912-2000 | 
     Chart  | 
     Data  | 
     Pictures  | 
  
   
    | Basin-wide/Regional | 
    Flow | 
    North Mattole 1952-1957, Select Year | 
     Chart  | 
     Data  | 
    - | 
  
   
    | Basin-wide/Regional | 
    Sediment | 
    D50 Values, Mattole Basin, 1992 & 2001 | 
     Chart  | 
     Data  | 
     Pictures  | 
  
   
    | Basin-wide/Regional | 
    Sediment | 
    Fines <0.86 mm Mattole River and Lost Man Creek, 1990 | 
     Chart  | 
     Data  | 
     Pictures  | 
  
   
    | Basin-wide/Regional | 
    Sediment | 
    Fines <4.7 mm Mattole River and Lost Man Creek, 1990 | 
     Chart  | 
     Data  | 
     Pictures  | 
  
   
    | Basin-wide/Regional | 
    Sediment | 
    V* Averages by Mattole Salmon Group for All Reaches, 2000 | 
     Chart  | 
     Data  | 
    - | 
  
   
    | Basin-wide/Regional | 
    Sediment | 
    V* by Mattole Salmon Group in Lower Mainstem, 2000 | 
     Chart  | 
     Data  | 
    - | 
  
   
    | Basin-wide/Regional | 
    Sediment | 
    V* by NCRWQCB, 1992 | 
     Chart  | 
     Data  | 
     Pictures  | 
  
   
    | Basin-wide/Regional | 
    Sediment | 
    V* by NCRWQCB, 1992 & 1993 | 
     Chart  | 
     Data  | 
     Pictures  | 
  
   
    | Basin-wide/Regional | 
    Temperature | 
    MWATs of Mainstem Mattole River (Celsius) | 
     Chart  | 
     Data  | 
     Pictures  | 
  
   
    | Basin-wide/Regional | 
    Temperature | 
    MWATs of Mainstem Mattole River (Fahrenheit) | 
     Chart  | 
     Data  | 
     Pictures  | 
  
   
    | Basin-wide/Regional | 
    Temperature | 
    TIR Longitudinal Profile, Mattole River, 2001 | 
     Chart  | 
     Data  | 
     Pictures  | 
  
   
    | Basin-wide/Regional | 
    Timber Harvest | 
    Percent Area Harvested by Calwater, 1983-2001 | 
     Chart  | 
     Data  | 
     Pictures  | 
  
   
    | Basin-wide/Regional | 
    Timber Harvest | 
    Percent Area Harvested by Subbasin, 1983-2001 | 
     Chart  | 
     Data  | 
     Pictures  | 
  
   
    | Basin-wide/Regional | 
    Timber Harvest | 
    Silvicultural Prescriptions, 1983-2001 | 
     Chart  | 
     Data  | 
     Pictures  | 
  
   
    | Basin-wide/Regional | 
    Tour | 
    Aerial Photos 1941 and 1942 | 
    - | 
    - | 
     Pictures  | 
  
   
    | Basin-wide/Regional | 
    Tour | 
    Aerial Photos 1984 | 
    - | 
    - | 
     Pictures  | 
  
   
    | Basin-wide/Regional | 
    Tour | 
    Aerial Photos 1992 | 
    - | 
    - | 
     Pictures  | 
  
   
    | Basin-wide/Regional | 
    Tour | 
    Aerial Photos Lower Mattole | 
    - | 
    - | 
     Pictures  | 
  
   
    | Basin-wide/Regional | 
    Tour | 
    Aerial Photos North Fork Mattole | 
    - | 
    - | 
     Pictures  | 
  
   
    | Basin-wide/Regional | 
    Tour | 
    Aerial Photos Upper North Fork | 
    - | 
    - | 
     Pictures  | 
  
   
    | Basin-wide/Regional | 
    Tour | 
    General Landscape | 
    - | 
    - | 
     Pictures  | 
  
   
    | Basin-wide/Regional | 
    Tour | 
    Geology and Erosion | 
    - | 
    - | 
     Pictures  | 
  
   
    | Basin-wide/Regional | 
    Tour | 
    Historic Photos #1: Fish and Floods | 
    - | 
    - | 
     Pictures  | 
  
   
    | Basin-wide/Regional | 
    Tour | 
    Historic Photos #2: Structures and Vehicles | 
    - | 
    - | 
     Pictures  | 
  
   
    | Basin-wide/Regional | 
    Tour | 
    Historic Photos #3: Miscellaneous | 
    - | 
    - | 
     Pictures  | 
  
   
    | Basin-wide/Regional | 
    Tour | 
    Landscape Panoramas | 
    - | 
    - | 
     Pictures  | 
  
   
    | Basin-wide/Regional | 
    Tour | 
    Landslides and Erosion | 
    - | 
    - | 
     Pictures  | 
  
   
    | Basin-wide/Regional | 
    Tour | 
    People in Restoration | 
    - | 
    - | 
     Pictures  | 
  
   
    | Basin-wide/Regional | 
    Tour | 
    Sediment Sampling by CDFG in 1990 | 
    - | 
    - | 
     Pictures  | 
  
   
    | Basin-wide/Regional | 
    Wood | 
    Removal by CCC/DFG Crews, 1980-1988 (NCWAP) | 
     Chart  | 
     Data  | 
    - | 
  
   
    | Basin-wide/Regional | 
    Wood | 
    Removal by CCC/DFG Crews, 1980-1988 (RSL) | 
     Chart  | 
     Data  | 
    - |