Alan Cressler:
Alisal Creek, California Stream Quality Assessment, U. S. Geologial Survey, Algae and Invertebrate Sampling, (L) Nick Schulte and (R) Rob Hood, Salinas, Monterey County, California 1
Alan Cressler:
Alisal Creek, California Stream Quality Assessment, U. S. Geologial Survey, EDNA Sampling, (L) Ian Waite and (R) Scott Hagen, Salinas, Monterey County, California 1
Alan Cressler:
Alisal Creek, California Stream Quality Assessment, U. S. Geologial Survey, EDNA Sampling, (L) Ian Waite and (R) Scott Hagen, Salinas, Monterey County, California 2
Alan Cressler:
Alisal Creek, California Stream Quality Assessment, U. S. Geologial Survey, Sediment Sampling, Stephanie Janosy, Salinas, Monterey County, California 1
Alan Cressler:
Arroyo Seco, at Elm Avenue Bridge, U.S. Geological Survey, California Stream Quality Assessment, Sample Site, Monterey County, California 1
Alan Cressler:
Arroyo Seco, at Elm Avenue Bridge, U.S. Geological Survey, California Stream Quality Assessment, Sample Site, Monterey County, California 2
Alan Cressler:
Astragalus nuttallii var. nuttallii , Montana de Oro State Park, San Luis Obispo County, California 1
Alan Cressler:
Charadrius vociferus, Eggs, Gravel Bar, Nacimiento River, San Luis Obispo County, California 1
Alan Cressler:
Charadrius vociferus, Gravel Bar, Nacimiento River, San Luis Obispo County, California 1
Alan Cressler:
Eschscholzia californica, Harmony Headlands State Park, San Luis Obispo County, California 1
Alan Cressler:
Lopez Creek, Lopez Canyon, U.S. Geological Survey, California Stream Quality Assessment, Sample Site, San Luis Obispo County, California 1
Alan Cressler:
Machete Ridge, from Balconies, Pinnacles National Park, San Benito County, California 1
Alan Cressler:
Machete Ridge, from West Fork Chalone Creek Valley, Pinnacles National Park, San Benito County, California 1
Alan Cressler:
Marsilea vestita, Nacimiento River, San Luis Obispo County, California 1
Alan Cressler:
Nacimiento River, U.S. Geological Survey, California Stream Quality Assessment, Sample Site, San Luis Obispo County, California 1
Alan Cressler:
Nacimiento River, U.S. Geological Survey, California Stream Quality Assessment, Sample Site, San Luis Obispo County, California 2
Alan Cressler:
Nick Schulte, Pacific Ocean, Harmony Headlands State Park, San Luis Obispo County, California 1
Alan Cressler:
Pacific Ocean, Bluff Trail Bluffs, Montana de Oro State Park, San Luis Obispo County, California 1
Alan Cressler:
Pacific Ocean, Bluff Trail Bluffs, Montana de Oro State Park, San Luis Obispo County, California 2
Alan Cressler:
Pacific Ocean, Bluff Trail Bluffs, Montana de Oro State Park, San Luis Obispo County, California 3
Alan Cressler:
Pacific Ocean, Bluff Trail Bluffs, Montana de Oro State Park, San Luis Obispo County, California 4
Alan Cressler:
Pacific Ocean, Bluff Trail Bluffs, Montana de Oro State Park, San Luis Obispo County, California 5
Alan Cressler:
Pacific Ocean, Bluff Trail Bluffs, Montana de Oro State Park, San Luis Obispo County, California 6
Alan Cressler:
Pacific Ocean, Harmony Headlands State Park, San Luis Obispo County, California 1
Alan Cressler:
Pacific Ocean, Harmony Headlands State Park, San Luis Obispo County, California 2
Alan Cressler:
Pacific Ocean, Harmony Headlands State Park, San Luis Obispo County, California 3
Alan Cressler:
Pinnacle Rocks, Pinnacles National Park, San Benito County, California 1
Alan Cressler:
Pseudacris sierra, Natividad Creek Riparian Forest, Salinas, Monterey County, California 1
Alan Cressler:
Reclamation Ditch, California Stream Quality Assessment, U. S. Geologial Survey, Invertebrate and Algae Sampling, (L) Rob Hood and (R) Nick Schulte, Salinas, Monterey County, California 1
Alan Cressler:
Reclamation Ditch, California Stream Quality Assessment, U. S. Geologial Survey, Sediment Sampling, Stephanie Janosy, Salinas, Monterey County, California 1
