 |
zine machine
by artschmart
Contra Costa county, CA |
August 12, 2026 |
Full |
1.81 |
 |
Metamorphic Facies of the Farallon Megathrust
by yoyo ken
Contra Costa county, CA |
October 12, 2025 |
1/19 |
0.24 |
|
Northbrae Rhyolite and Hayward Fault Dynamics
by yoyo ken
Contra Costa county, CA |
October 12, 2025 |
1/11 |
0.56 |
|
Quartz Intrusions, Folding, and Foliation
by yoyo ken
Contra Costa county, CA |
October 12, 2025 |
1/10 |
0.84 |
|
Sag Ponds and Springs Along the Hayward Fault
by yoyo ken
Contra Costa county, CA |
October 12, 2025 |
1/12 |
0.48 |
|
Switcharoo
by Lunars2024
Contra Costa county, CA |
September 22, 2024 |
Full |
49.6 |
|
Castro Park
by carolinemtsang
Contra Costa county, CA |
May 28, 2024 |
Full |
8.51 |
|
Rockin' Out with GeoBuddy
by thedrainspies
Contra Costa county, CA |
March 5, 2024 |
1/6 |
1.20 |
|
The Devil's Pinecone
by elilawson
Contra Costa county, CA |
February 4, 2024 |
Full |
8.70 |
 |
Who Am I? - Five Seconds of Intense Fruity Flavor
by Shrektrician
Contra Costa county, CA |
January 30, 2024 |
1/3 |
2.57 |
|
Who Am I? - I Ruv You Rorge!
by Shrektrician
Contra Costa county, CA |
January 30, 2024 |
1/4 |
1.68 |
|
121/366 Dates with Micros Challenge
by bobf
Contra Costa county, CA |
December 2, 2022 |
1/6 |
0.52 |
|
121/366 Dates with Puzzles Challenge
by bobf
Contra Costa county, CA |
December 2, 2022 |
1/5 |
0.70 |
|
121/366 Dates with Traditionals Challenge
by bobf
Contra Costa county, CA |
December 2, 2022 |
1/4 |
0.85 |
|
242/366 Dates with Puzzles Challenge
by bobf
Contra Costa county, CA |
December 2, 2022 |
1/4 |
0.99 |
|
242/366 Dates with Traditionals Challenge
by bobf
Contra Costa county, CA |
December 2, 2022 |
1/4 |
0.85 |
|
27/81 Fizzies with Multis Challenge
by bobf
Contra Costa county, CA |
December 2, 2022 |
1/4 |
1.01 |
|
365/366 Dates with Puzzles Challenge
by bobf
Contra Costa county, CA |
December 2, 2022 |
1/4 |
1.48 |
|
In Praise of Multicaches
by bobf
Contra Costa county, CA |
December 2, 2022 |
1/4 |
1.04 |
|
The Cheese Stands Alone
by laytonius
Contra Costa county, CA |
November 29, 2022 |
1/3 |
8.43 |
|
Blueschist – Yes Road Cuts ARE Tourist Attractions
by jagerdorf
Contra Costa county, CA |
July 13, 2022 |
Half |
6.95 |
|
RRRT to WCT: Bashful Baby Bay
by MelodiousM
Contra Costa county, CA |
March 25, 2022 |
1/3 |
3.93 |
|
RRRT to WCT: Dead or Alive?
by MelodiousM
Contra Costa county, CA |
March 25, 2022 |
1/3 |
4.26 |
|
RRRT to WCT: Triple Trunk Tree
by MelodiousM
Contra Costa county, CA |
March 25, 2022 |
1/3 |
3.47 |
|
On the Trail
by bobf
Contra Costa county, CA |
October 14, 2020 |
Full |
13.4 |
|
Bend in the Trail
by bobf
Contra Costa county, CA |
October 11, 2020 |
Full |
8.34 |
|
Trail Junctions
by bobf
Contra Costa county, CA |
October 11, 2020 |
Full |
8.98 |
|
KCSearcher's Feb29 2020 #29-203 GeoArt
by KCSearcher
Contra Costa county, CA |
February 29, 2020 |
1/8 |
1.15 |
|
KCSearcher's Feb29 2020 #29-206 GeoArt
by KCSearcher
Contra Costa county, CA |
February 29, 2020 |
1/11 |
0.96 |
|
Bluberry
by SAWAM
Contra Costa county, CA |
August 22, 2019 |
Half |
4.97 |
|
Grin and Bear It
by FiveEyes
Contra Costa county, CA |
March 26, 2019 |
1/4 |
2.53 |
|
I Dino About That
by FiveEyes
Contra Costa county, CA |
March 26, 2019 |
1/3 |
8.59 |
|
I Knewt It
by FiveEyes
Contra Costa county, CA |
March 26, 2019 |
Half |
9.84 |
|
High Point for a While
by bobf
Contra Costa county, CA |
September 7, 2018 |
1/3 |
3.43 |
|
Pearl Reservoir
by bobf
Contra Costa county, CA |
September 7, 2018 |
1/3 |
2.79 |
|
Basso's Slot Car Raceway
by bassocantor
Contra Costa county, CA |
July 13, 2018 |
1/3 |
15.2 |
|
Finley Burgers Drive-Thru
by bassocantor
Contra Costa county, CA |
July 13, 2018 |
1/3 |
16.1 |
|
THE ORIGINAL LOST TOWN OF LAWSONVILLE
by bassocantor
Contra Costa county, CA |
July 13, 2018 |
1/3 |
21.0 |
|
Happy Trails Annie Organ
by Virgojams
Contra Costa county, CA |
February 20, 2018 |
1/13 |
0.75 |
|
The Zero Joe Just Stumped the Oak for AnnieOrgan
by ByeTheWay
Contra Costa county, CA |
February 20, 2018 |
1/15 |
0.61 |
|
There is an ETA!
by A Team Vallejo
Contra Costa county, CA |
August 14, 2017 |
Half |
13.4 |
 |
Facticity Complicity
by ByeTheWay
Contra Costa county, CA |
May 22, 2017 |
Half |
6.21 |
|
GOOOAL!!
by Virgojams
Contra Costa county, CA |
November 29, 2016 |
1/22 |
0.24 |
|
Heather Farms Redwood
by Virgojams
Contra Costa county, CA |
November 29, 2016 |
1/15 |
0.40 |
|
Desolation of Smaug
by jagerdorf
Contra Costa county, CA |
September 30, 2016 |
1/3 |
13.3 |
|
Ents, the Herder of Trees
by jagerdorf
Contra Costa county, CA |
September 30, 2016 |
Half |
35.6 |
|
Mount Azeroth - Gandalf smote the Balrog
by jagerdorf
Contra Costa county, CA |
September 30, 2016 |
1/3 |
30.3 |