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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