Audible Mount Diablo
Index
Index to Audible Mount Diablo
updated January 2020 

GUIDES
BLACK DIAMOND MINES (BDM) 2018
Speakers: Seth Adams, Heath Bartosh, Kevin Dixon, Robert Doyle, Scott Hein, Ken Lavin, Ray Sullivan. Main topics: Geology, coal mining, sand mining, restoration, rare plants, chaparral, grazing, conservation, Coulter pines, bush poppies, white shooting stars. Hike described is 6.6 miles, elevation gain 1,400 feet.

CURRY POINT (CP) 2012
Speakers: Seth Adams, Malcolm Sproul. Main topics: Balancing Rock, Blackhawk land dedications, chaparral, chaparral birds, peregrine falcons, giant water bugs, wind caves, knobcone pines, Alameda whipsnakes, Hike described is 6.5 miles, elevation gain 1,100 feet.

GEOLOGY ON THE MARY BOWERMAN TRAIL (GMB) 2017
Speaker: Ken Lavin. Main topics: Bay Area geology, lichen, vultures, botanist Mary Bowerman. Hike described is a 1-mile-long loop near the summit, mostly flat. The first two- tenths of a mile are wheelchair accessible.

GRAND LOOP (GL) 2010
Speakers: Seth Adams, Ken Lavin, Mike Moran, Beverly Ortiz. Main topics: diabase mining, juniper, bay laurel, spotted towhee, scrub jay, manzanita, Murchio family, chaparral pea, mining history, Native peoples’ legends. Hike described is 6.8 miles, elevation gain 1,800 feet.

HARVEST OF FIRE: A HIKER’S GUIDE TO MOUNT DIABLO PLANTS (HF) 2019
Speakers: Heath Bartosh, Seth Adams, Robert Doyle Brian Peterson, Cyndy Shafer, Kip Will. Main topics: Mount Diablo’s botanical riches—its trees, shrubs and wildflowers—and where to find them on five classic hikes in Mount Diablo State Park: 1) Mary Bowerman Loop near the summit. 2) Perkins Canyon on the east side. 3) Curry Point on the south side. 4) North Peak Trail, starting at Devil’s Elbow. 5) Back Canyon on the north side. Botanist Mary Bowerman is profiled in one segment. In another, the botanical discoveries of David Douglas, Alice Eastwood, John Howell and David Gowen are highlighted.

INTRODUCING MOUNT DIABLO (IMD) 2017
Speakers: Seth Adams, Gary Bogue, Ken Lavin, Mike Moran, Beverly Ortiz, Carl Nielsen. Main topics: history, wildlife, mountain lions, tarantulas, poison oak, wild pigs, native peoples, the mountain’s name, Whitney Survey, coal mining, early tourism, preservation history, recreation.

LIME RIDGE (LR) 2012
Speakers: Seth Adams, Heath Bartosh, Scott Hein, Lesley Hunt. Main topics: restoration (natural and human-aided), lime mining, housing developments, chaparral, blue- gray gnatcatcher, western fence lizard, Mount Diablo sunflower, big tarplant, wild turkeys, carpenter David Gowen’s discovery of a new flower species. Hike described is 4 miles, elevation gain 700 feet.

LOS VAQUEROS (LV) 2014
Speakers: Seth Adams, Mike Moran, Marguerite Patil, Adrian Praetzellis, Malcolm Sproul. Main topics: prehistory, tule elk, grizzlies valley oak blue oak, coast live oak, Edith Ordway, Suñol
Adobe, kit fox, golden eagle, ground squirrel, Vasco Adobe, Oscar Starr, dam and reservoir, wind power, tiger salamander, red-legged frog. Hike described is 4 to 9 miles long.

MITCHELL CANYON (MC) 2017
Speakers: Sue Donecker, Ken Lavin, Rich McDrew, Jim Mitchell. Main topics: Jedediah Smith, 1860s mining era, 1977 fire, ground squirrels, ladybugs, coast live oaks, Coulter pines, gray pines, soap plant, acorn woodpecker, buckeyes, willows, wildflowers. Hike described is two miles long with minimal elevation gain.

PERKINS CANYON (PC) 2014
Speakers: Seth Adams, Jean Hetherington, Anne Homan, Ken Lavin. Main topics: geology, history, mercury mining, 2013 Morgan Fire. The hike described is about two miles, with 300 feet of elevation gain.

PLANTS OF TWIN PEAKS (PTP) 2018
Speakers: Sue Donecker, Ken Lavin, Jim Mitchell, Frank Valle-Riestra (with Carl Magruder as John Muir). Main topics: how the poppy got its odd scientific name, why Druids revered mistletoe, how dozens of California wildflowers made their way to English gardens in the 19th century, three flowers named for animals, three named for characters in English literature, serpentine soils, 1977 fire, and history, through the stories of John C. Fremont, Isaac Mitchell, and Joel Clayton. The hike described is about 4 miles, elevation gain 1,100 feet.

ROCK CITY (RC) 2018
Speakers: Ken Lavin, Rich McDrew, David Mackesey. Main topics: natural and cultural history of one of the first areas acquired for Mount Diablo State Park, including evidence of Native peoples, the state park dedication ceremony, geology, madrone, ferns, spring wildflowers. The hike described is 1.6 miles long, starting and ending at the Live Oak Campground sign in the Rock City parking area. Moderate ups and downs. Optional climb to Sentinel Rock.

ROUND VALLEY (RV) 2012
Speakers: Seth Adams, Robert Doyle, Scott Hein, Brian Kruse. Main topics: Native people, John Marsh, ground squirrels, kit foxes, birds (including Lewis’s woodpeckers and phainopeplas), dump wars, Jim Murphy, acquisition and establishment of the park by East Bay Regional Park District. Three options for exploring the park are described: a picnic beside Marsh Creek, a 5-mile hike with 750 feet in elevation gain around the Hardy Canyon Loop, or a 6-mile hike with a 250-foot elevation gain around the Valley Loop.

THE MORNING SIDE OF THE MOUNTAIN: a guide to Morgan Territory Regional Preserve (MT) 2020
Speakers: Seth Adams, Carol Alderdice, Kevin Dixon, Robert Doyle, Manfred Lindner. Main topics: Native people; early European settlers, including Jeremiah Morgan, William and Phillipa Clyma, Joseph Cardoza; conservation heroes, including Hulet Hornbeck, Manfred Lindner, Robert Doyle, Bob Walker, and Roger Epperson; Animals:  red-legged frogs, western pond turtles, peregrine falcons, golden eagles. Plants: blue oaks, Chinese houses, Mount Diablo fairy lanterns, manzanitas, tarplants, blow wives, bunch grasses. Two hikes are described: A 6-mile loop on the east side and a 9-mile loop on the west side of the preserve. 

TRAIL THROUGH TIME (TTT) 2016
Speaker: Ken Lavin. Main topics: 190 years of geologic history, as evidenced in a 6.3 mile walk from the top to the bottom of Mount Diablo, as well as some cultural history including the California Geological Survey, Andrew Lawson, construction of trail. Due to the number of stops (and an elevation loss of 3,000 feet), the tour is broken into two parts.


INDEX of topics
(The numbers and letters below indicate the segment and name of the guide in which a topic is discussed. For example “4.1 LR” is segment 4.1 of the Lime Ridge Guide.)

Achillea millefolium 10 (part 2) PTP
Acmispon 5 HF 
Acorns
       and Native people               8 RC
Adams, Grizzly 11 IMD
Adams, Seth 2 IMD
Aeolian harps 6 (part 1) PTP
Age of Discovery 4.1 LR
Alamo Creek 2 CP
Alder 6 CP
Alderdice, Carol 7 MT
Altamont Pass 3.1 RV
Altamont Wind Resource Area 10 LV Altube, Bernardo 8 LV
Antioch development 13 BDM
Archaeology, Los Vaqueros 2 LV
Artemisia
Californica 5 MC, 9 (part 2) PTP
vulgaris 9 MC
Artist Point 10 RC

Baby blue eyes 7 (part 2) PTP
Back Canyon 4 (part 1) PTP, 8 HF
Badger 8 LR
Balancing Rock 11 CP
Bald Ridge Trail 5 GL
Bartosh, Heath 1 HF, 8 HF
Basalt, pillow (“greenstone”) 2 GMB, 3 GMB, 1.3 MC, 1.1 TTT, 1.3 TTT, 1.7 TTT Basque sheepherders 8 LV
Bay laurel (tree) 1 GL, 4 HF Bayberry Pond 1.1 LR
Bee plant 2 (part 2) PTP
Beechey, Frederick William 2.1 RV Beetles
charcoal 6 PC, 3 HF
ladybird 6 MC
Bell, Doug 3.1 RV
Bicentennial tree 2 MC
Bicycling 15 IMD


chaparral 8 CP
at Deer Flat 3 GL (see also bird names)
Bird’s beak, Mount Diablo 8 HF
Bitterroot (Lewisia) 2 HF
Blackbird, red-winged 9 LR
Black Diamond Mines Preserve BDM guide 
Blackhawk
community 6 CP, 7 CP
Ranch Quarry 7 GMB, 2.7 TTT
land dedications 7 CP
Ranch 7 CP
“Wars” 7 CP
Blomberg, Vic and Ray 9 PC
Bluebirds 5 RV
Blueschist 1.7 TTT
Bowerman, Mary 14 IMD, 1 GMB, 7 HF
Bradley Mining Company 9 PC

Brewer, William 7 GL, 6 IMD, 11 IMD, 3 MC, 2 PC, 2 RV, 3.0 TTT, 5 (part 1) PTP
Bruce Lee Road 7 (part 1) PTP Buckeye
California 3 LR, 8 MC, 4 HF
Buckwheat
Mount Diablo 4.1 LR, 5 BDM, 8 HF
Burgess, Robert Noble 13 IMD, 6 RC, 9 RC
Burma Road 1 GL
Bush mallow
Fremont’s 9 MC
Buttercups 2 CP, 1 (part 1) PTP Butterfly
mourning cloak 8 MC
California Geological Survey 7 GL, 3.0 TTT 
Cakebread family
(including Robert, Vernon) 4 RV, 4.1 RV
Camping 15 IMD
Cardoza, Joseph   8 MT
Ceanothus
buckbrush 12 (part 2) PTP
jimbrush 12 (part 2) PTP

Cerro Alto de los Volvones 4 MC, 6 RV
Chamise 11 BDM, 6 LR, 11 (part 2) PTP, 6 HF

Chamisso, Adelbert von 4 (part 2) PTP 

Chaparral
broomrape 6 (part 1) PTP
habitat 11 BDM, 8 CP, 6 LR, 6 (part 1) PTP, 6 HF
Loop (trail) 14 BDM
pea (shrub) 4 GL, 6 HF
near Curry Point 6 HF Checker lily 5 RC

Chert, radiolarian 2 GMD, 5 GMB, 4 PC, 1.1 TTT, 1.6 TTT
Chinese houses (flower) 6 MT
Civilian Conservation Corps 14 IMD, 4 RC, 7 RC 
Clapper stick 9 GL
Clarkia
red ribbons 5 GL

Clayton
Joel 3 (part 1) PTP
Quarry 2 GL
town of 3 (part 1) PTP

Claytonia 2 HF
Clematis 14 (part 2) PTP
Climate change 9 HF
Clyma Almond Orchard 8 MT
Clyma, William & Phillipa 8 MT
Cinnabar 2 PC, 5 PC
Coal Canyon 5 BDM
Cocklebur 8 BDM
Concord’s Crossing, neighborhood 2 LR 
Condor
California 7 GL
of legend 9 GL

Conservation
Blackhawk 7 CP
Black Diamond Mines 6 BDM, 7 BDM value of 11 GL
Lime Ridge 4 LR, 5 LR, 6 LR North side of mountain 2 GL
Perkins Canyon 2 PC
Round Valley 4 RV, 4.2 RV, 8.1 RV South side of mountain 7 GL

Contra Costa Water District 9 LV
Cook, Dan & Seth 6 RC 
Coulter
pine 12 BDM, 2 IMD, 10 MC
Pond 7 (part 1) PTP
Thomas 10 MC

Cowell, town of 2 LR
Coyote brush (or bush) 9 MC, 5 HF
Coyote mint 8 (part 2) PTP Cretaceous/Tertiary boundary 2.1 TTT 
Crystyl Ranch subdivision 4 LR
Cumberland Trail 6 BDM
Curlew, long-billed 5 RV
Currant, Chaparral 7 (part 2) PTP
Curry
Creek 2 CP
James 2 CP
Point (trailhead) 2 CP


Dacite 3 PC, 4 PC
Dan Cook Canyon 6 RC
Datura 3 LR
Deadfall, The 3 (part 1) PTP
Deer Flat 3 GL
Deerweed 6 HF
Delphinium 8 (part 2) PTP
Delta
Sacramento-San Joaquin 5 BDM, 5 GL, 7 GMB 

Devil’s Elbow 9 GL
Devil’s Pulpit 8 GMB, 8 GL
Devil’s Slide
ridge 2.8 TTT
Trail 3 CP

Diabase 2 (part 1) PTP
Diablo
Country Club 9 RC
Range 11 GL, 9 HF
stoves 7 RC
Trail 4 CP, 9 MT

Doctrine of Signatures 3 PTP
Donner Canyon 4 (part 1) PTP
Douglas, David 10 MC, 7 (part 2) PTP, 2 RC, 8 HF
Doyle, Robert 4.2 RV, 4 MT
Dudleya 2 IMD
Dump wars 4 RV, 4.2 RV
Duracrust 3 RC


Eagle
golden 15 BDM, 13 CP, 3 IMD, 7 LV,  3.1 RV, 8 MT
Peak 6 (part 1) PTP

Earliest people 2 LV
East Bay Regional Park District 2 RV, 2.1 RV 
Eastwood, Alice 8 HF
Eocene Epoch 4 RC
“Edible” geology 5 GMB, 1.1 TTT
Elderberry 9 GL
Elephant Rock 9 RC
Elk, tule 3 LV
Endemism 2 IMD
Endozoochory 8 BDM
Epperson, Roger 2 BDM, 3 RV, 7 RV, 7 MT
Eocene Epoch 1 BDM
Epizoochory 8 BDM
Eschscholtz, Johann Friedrich von 4 (part 2) PTP 
Eye of Diablo 8 GL
Fairy lantern
Mount Diablo 5 BDM, 4 CP, 2 IMD, 7 MC, 7 (part 2) PTP, 6 MT
(Calochortus pulchellus)
white 5 BDM

Falcon, peregrine “Extra” CP, 6 MT
Falcon, prairie 6 MT
Faults, in geology 2 GMB, 8 GMB, 3 PC 
Fern
golden back 5 RC
maidenhair 5 RC
polypody 5 RC
wood 5 RC
Fiddleneck 7 LR

Fig Pig Cove 3 LV
Fire
1977 9 MC, 7 PC, 4 (part 1) PTP, 7 HF
1981 10 CP
followers (plants) 9 MC, 5 HF
Interpretive Trail 9 MC
Morgan 2013 6 PC, 7 PC, 10 PC, 3 HF

Flicker, northern 3 CP
Four Days Diablo   9 MT
Fossils
sand dollars 7 GMB, 7 RC
gomphotherium 7 GMB
turritella snail 2.4 TTT Fox, kit 7 LV, 7 RV

Franciscan
Melange 1.4 TTT
rocks (or Complex) 2 GMB, 1 TTT 
Fremont, John C. 5 (part 2) PTP
Fremont’s star lily 5 (part 2) PTP
Frick, Walter 14 IMD
Friends of Marsh Creek Watershed   2 RV, 6 MT
Frog, red-legged 11 LV, 8 RV, 6 MT
Fuchsia, California 2 (part 1) PTP
Galindo Creek 7 LR
Garaventa family 14 BDM 
Garden of the Jungle Gods 13 IMD, 9 RC 
Geological Survey, 1860s 11 IMD, 3 MC
Geophytes 5 HF
Giant water bugs 6 CP 
Gill Hill Cherry Spitting Society 4.2 RV 
Ginochio family 7 LR
Globe lily
Mount Diablo 5 BDM, 4 CP, 7 MC, 7 (part 2) PTP
Trail 10 MC

Gnatcatcher, blue-gray 6 LR
Golden Gate Audubon Society 10 LV
Gomphotherium 7 GMB, 2.10 TTT
Gowen, David  4.1 LR, 8 HF
Grapes 6 MC
Grass
bunch 7 MC
purple needle 3 LR

Grassland habitat 7 LR, 7 LV, 5 RV
Grazing 7 LR, 10 BDM
Great Valley Sequence GMB, 1.2 TTT, 2.1 TTT
Greathouse Visitor Center Black Diamond Mines Intro BDM
Greenstone (“pillow basalt”) 2 GMB, 3 GMB, 1.3 TTT, 1.7 TTT
Grinding holes 8 RC, 6 RV
Grizzly bear 3 LV, 4 MC
Ground squirrels 3 IMD, 7 LV, 1.2 MC, 2.1 RV
Hall, Joseph Seavey 13 IMD
Hardy Canyon 3 RV
Hawk
red-tailed 15 BDM, 7 LV

Hearst, William Randolph 13 IMD, 9 RC
Hendricks-Franco, Lindsey 6 HF
Henry Cowell Lime and Cement Company 2 LR
Highland Ridge 8 MT
Hiking  15 IMD
Homan, Anne Marshall  8 MT
Hop tree 3 LR
Hornbeck, Hulet 4 RV, 3 MT
Hound’s tongue 3 PTP
Howard, E.A. 8 PC
Howell, John 8 HF
Hummingbird, Anna’s 6 LR

Indian paintbrush 11 BDM
Indian potatoes 6 RV
Indian warrior 11 BDM, 5 GL, 6 (part 2) PTP, 5 RC
Indian paintbrush 6 (part 2) PTP
Ithuriel’s spear 6 RV, 1 PTP 
Jay
scrub 3 CP, 3 GL
Stellar’s 3 CP

Jewel flower, Mount Diablo 5 HF
Jimson weed 3 LR

Juniper
Camp 1 GL
tree 1 GL, 6 (part 1) PTP

Kellogg Creek 8 LV
King, Clarence 3.0 TTT
Kirker, James 6 RC
Kite, white-tailed 9 LR
Knowing your place 11 GL
Kraetsch, Ralph 9 LR
Kreiger Peak 7 BDM
Kruse, Brian 4 RV, 4.1 RV, 8.1 RV
Ladybugs 6 MC
Larkspur
red & purple 8 (part 2) PTP, 5 HF
naming of town of 8 (part 2) PTP Lavin, Ken 1 GMB

Lawlor tuff 1 BDM, 8 GMB
Lawson, Andrew 2 GMB, 1 TTT, 3.1 TTT
Lichen 4 GMB
Liesegang structures 2.6 TTT 
Lily
Calochortus splendens 6 HF checker, chocolate 5 GL, 5 RC
Fremont’s star 5 (part 2) PTP
globe 5 BDM, 4 CP, 7 MC
Oakland star tulip 6 HF

Lime Mining 2 LR
Lime Ridge LR guide
Lindner, Manfred 3 MT
Lizard 3 IMD
sagebrush 7 LR
western fence 6.1 LR
Los Vaqueros LV guide
dam, reservoir 9 LV
Lupine 8 (part 2) PTP
Lyon, Craig 3.2 TTT
Madrone
Canyon 2 CP, 2.7 TTT
tree 3 CP, 2 RC, 2.7 TTT


Mallow, bush 6 HF
Mangini Ranch 7 LR
Manhattan Trail, Canyon 10 BDM
Manroot 14 (part 2) PTP
Manzanita 11 BDM, 8 CP, 4 GL, 2 RC, 8 HF, 2 MT
big berry 4 (part 1) PTP 
Mount Diablo (endemic sp.) 8 CP, 6 HF, 8 HF 
after fire 7 PC

Maple, bigleaf 4 CP
Marin headlands terrane 5 GMB
Marsh, John 2 IMD, 6 RC, 2 RV
Marsh Creek 2 RV, 6 MT
pollution problems 9 PC 
Preservation Area Corridor 4 RV, 4.2 RV 
State Park 2 RV

Mary Bowerman Science and Research Program 3 HF 
Mary Bowerman Trail, botany 2 HF 
McDaniel, Frances 9 IMD
Measure AA, 1988 4 MT
Medusahead 5 RV
Menzies, Archibald 7 (part 2) PTP, 2 RC
Mercury 2 PC, 8 PC, 9 PC
Meridian marker 14 CP
Merriam, C. Hart 9 GL
Metacinnabar 2 PC
Milkmaids 3 PTP
Milliken, Randall 6 RV
Miner’s Trail 14 BDM
Mining around MD
by the Welsh 3 BDM
coal Intro BDM, 3 BDM, 12 IMD
diabase 2 GL, 3 MC
history of 6 GL, 3 MC, 3.0 TTT
mercury 2 PC, 8 PC, 9 PC
sand 9 BDM

Mistletoe 2 MC, 1 (part 2) PTP 
Mitchell
Canyon MC guide
Canyon Visitor Center 1.1 MC
Doug 2 (part 1) PTP
Isaac 6 MC, 2 (part 1) PTP
Rock 1.3 MC, 2 (part 1) PTP 

Miwok Trail 5 RV
Monkey flower 6 HF
Montecito housing project 3 LR
Monte del Diablo 10 IMD
Montmorillonite 2.10 TTT 
Morgan
Backpack Camp 8 MT
Fire 6 PC, 7 PC, 10 PC
Jeremiah 4 MC, 5 PC, 1MT
Road 5 PC
Territory Regional Preserve 1–9 MT

Morning glories (“trip vines”) 5 HF
Moth, elegant sphinx 3 HF
Mott, William Penn 3 MT
Mountain House 10 GL, 13 IMD
Mountain Lion 4 IMD
Mount Diablo
Estates 9 RC
geologic formation of 8 GMB, 2.0 TTT 
importance of 2 IMD
naming of 10 IMD
second park dedication 10 RC Thrust Fault 2.0 TTT
Trail Ride Association 5 GL

Mount Olympia 5 GL, 4 (part 1) PTP
Mount Zion 2 GL, 2 (part 1) PTP
Mugwort 9 MC
Muir, John 13 IMD, 2 (part two) PTP 
Murchio
Gap 4 GL
family 4 GL, 6 MC

Murphy, Jim 4.2 RV
Murphy, Thomas 5 RV
Murphy Meadow Trail 6 RV
Native peoples 9 IMD, 6 RV 
birthplace of world 9 GL, 9 IMD
elderberry 9 GL
grinding holes, acorns 8 RC, 2 MT
Volvon 4 MC, 5 PC, 6 RV, 1,2 MT
Yokuts, Bay Miwok,
Ohlone 8 RC, 2 MT

Native plant garden 1.2 MC
Navarretia gowenii 4.1 LR, 5 BDM, 8 HF aka Lime Ridge navarretia
Nejedly, John 7 HF
Newhall projects 4 LR 
Nitrogen-fixing plants (and fire) 6 HF
 North Gate Road 9 RC
North Peak 2 PC
North Peak Trail 5 HF
Norton, Noah & Sarah 4 BDM 
Nortonville
town 4 BDM
shale 1 BDM

Oak
coast live 3 LR, 5 BDM, 4 LV, 2 MC
blue 4 LV, 1.3 MC, 7 (part 2) PTP, 3 RV, 4 HF
deciduous v live 4 HF
interior live 5 BDM
leather FT 10
oracle FT 9
poison 7 IMD, 1.3 MC
valley 3 GL, 4 LV 

Oak Habitat Restoration Project 9 LR 
Olive, desert 7 LR
Onion
Allium unifolium 5 HF

Ophiolites 4 PC, 1.2 TTT
Ordway, Edith 5 LV
Ortiz, Beverly 6 RV

Paradise Valley 3 LR
Park, Mike 8 HF
Park rustic architecture 7 RC
Peers, Roi 3.2 TTT
Peninsula Crest Trail 9 LV
Perkins
Canyon PC guide
David and Susan 2 PC 

Peterson, Brian 5 HF, 8 HF
Phacelia, Mount Diablo 5 HF, 9 HF
Phainopepla 3 RV
Pigs, feral 8 IMD
Pine
Coulter 12 BDM, 2 IMD, 10 MC, 2 (part 2) PTP, 4 HF
Creek 2 CP
gray or foothill 12 BDM, 10 CP, 1 GL, 10 MC, 6 PC, 2 (part 2) PTP, 4 HF
knobcone 10 CP, 12 CP, 2.3 TTT, 4 HF

Pinole (seed cakes) 6 RV, 2 MT
Pioneer Pond 8 BDM
Pittsburg
development threats 13 BDM
Historical Society 2 BDM
Plate tectonics 2 GMB, 5 GMB, 1 TTT, 1.1 TTT, 3.1 TTT
Poison oak 7 IMD
Poppy
California 4 (part 2) PTP
fire 5 HF

Powell, William “Doc” Ryder 8 PC, 9 PC, 6 RC 
Prairie Falcon Cliffs 6 MT
Prehistory 2 LV
Prospectors Gap 6 GL
Pyramid Peak 3 MC
Railroad
Ranch 6 RC
barons 6 RC
Rancho Paraiso 4 LR
Ransom
Leander 14 CP, 5 GL
Point 5 GL

Rattlesnakes 5 IMD, 2.1 RV, 8 RV
Recreation
activities 15 IMD
tourism, history 13 IMD

Restoration
Bayberry Pond 1.1 LR Black Diamond Mines Intro BDM, Galindo Creek 7 LR
general philosophy 7 GL
oak habitat 9 LR
Rhine, Charles 3 (part 1) PTP
Rhyolite 3 PC
Rock City
geology 2.6 TTT

history 13 IMD
natural, cultural history RC guide 
Rock wren 2 RV
Rolph, “Sunny Jim” 14 IMS, 10 RC
Rose Hill Cemetery 3 BDM
Round Top 5 (part 1) PTP
Round Valley RV guide
Group Camp 7 RV

Royal Horticultural Society 7 (part 2) PTP
Saber-toothed cat 7 GMB, 2.10 TTT
 Sage
black 9 (part 2) PTP
pitcher 5 MC

Sagebrush
California 5 MC, 9 (part 2) PTP

Salamander, tiger 11 LV, 8 RV
Salmon, in Marsh Creek 2 RV
San Andreas Fault 8 GMB, 3 PC
San Pablo Embayment 2.9 TTT
Sand Creek development 13 BDM 
Sandstone
Briones 2.9 TTT
Domengine 1 BDM, 4 RC, 2.3 TTT
Graywacke 2 GMB, 4 GMB, 1.1 TTT, 1.5 TTT
Markley 1 BDM
Neroly 2.10 TTT

Sanicle, rock  2 HF, 9 HF
Save Mount Diablo
founding 14 IMD, 7 HF
land acquisitions 13 BDM, 14 IMD, 4 LR, 3 LR, 7 LR, 9 HF

Scarlet pimpernel 15 (part 2) PTP
Schlemihl, Peter 4 (part 2) PTP
Sentinel Rock 4 RC
Serpentine 4 PC, 2 (part 1) PTP, 1.2 TTT
Shell “hash” 2.10 TTT
Shooting Star
white, purple 10 BDM

Sibley Regional Park 5 (part 1) PTP
Sidney Flat  Intro BDM
Sierra Nevada
geologic link to Mt. Diablo 7 GMB
Skyline to Sea Trail (proposed)  6 BDM
Sleepy catchfly (Silene) 5 HF
Slickensides 9 GMB
Smith, Jedediah 4 MC
Snapdragon, Kellogg’s climbing 5 HF
Soap plant (aka soaproot) 3 CP, 7 MC, 5 (part 2 PTP)
Somersville  1 BDM
South Gate Road 9 RC
Southern Pacific Railroad 8 PC
Squirrel, ground 3 IMD, 7 LV, 1.2 MC, 2.1 RV
Staircase Trail 2.3 TTT
Standard Diablo Tower 8 GL
Stargazing 15 IMD
Starr, Oscar 8 LV
Stewartville
historic town 9 BDM
Saddle (pass) 14 BDM Stoves, Diablo 7 RC

Stump spouting (after fire) 4 HF
Sulfur Spring 4 CP
Summit
facilities 10 GL, 10 GMB
Trail 10 GL

Sunflower
Mount Diablo  (aka Diablo Helianthela) 5 BDM, 7 & 14 CP, 3.1 LR
narrow-leaf bush  1.1 MC
Suñol Adobe 6 LV
Suñol, Juan, Lorenzo, Maria 6 LV
Sunset Picnic Area (geology) 1.7 TTT
Survey Point 2 IMD
Sycamore 
Canyon 6 CP
Creek 2 CP, 2.8 TTT
tree 6 CP

Tafoni 2.6 TTT
Tarantulas 6 IMD, 10 MC, 6 PC
Tarplant
big 7.1 LR
hayfield 9 HF
Heermann’s 9 HF
Kellogg’s 5 BDM

Thrasher, California 8 CP
Toad, California 2 BDM
Torre del Sol
Tourism, early 13 IMD

Towhee, spotted 8 CP, 3 GL
Toyon 13 (part 2) PTP
Trail Through Time 4 CP, TTT guide
construction of 3.2 TTT

Turkey, wild 8 LR
Turtle, western pond 8 BDM, 6 MT
Twin Peaks 9 MC, PTP guide, 4 (part 1) PTP, 5 (part 1) PTP
Up and Down California 11 IMD
Unconformities 2.2 TTT, 2.8 TTT
Valley of the Cowboys 5 LV
Vancouver, George 2 RC
Vasco Adobe 8 LV
Views from top of Mount Diablo 
what you can see 6 GMB, 2 IMD, 11 IMD
distance controversy 11 IMD

Volcanic domes 2 PC, 3 PC
Volvon 
           people 1, 2 MT
           Trail 6 MT
 Vulture, turkey 15 BDM, 6 GMD, 7 LV
Walnut Creek Open Space Foundation 9 LR
Walker, Bob 5 MT
Warbler, orange-crowned 11 BDM
Whitney
Josiah 3.0 TTT
Survey 11 IMD, 3 MC

Whipsnake, Alameda 7 & “Extra” CP, 6 LR
Wild cucumber  14 (part 2) PTP
Wildflowers, general  “Extra” MC
Wildlife, general 3 IMD, 4 IMD, 5 IMD, 6 IMD

Will, Kip  3HF
Willow MC
Wind caves, formation of  3 RC, 2.6 TTT
Wind power 10 LV
Woodpecker
Acorn 1.1 MC
Lewis’s 9 LV
Nuttall’s 3 CP

Wren, Bewick’s 8 CP
Wrentit 8 CP
Yamane, Linda 7 IMD
Yarrow 10 (part 2) PTP

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