Every piece of land in America is hiding a time machine under your feet. Before you search your own house or school, work backward through four clues on one of Oregon's most inspiring pioneer homesteads.
Say it like a local:Oregon is OR-ih-gun • Willamette Valley is wih-LAM-it (like 'damage' without the -age) • Bob Zybach is ZIGH-bahk.
Video 1: Can You Solve the Mystery of Soap Creek?Dave Sullivan on location in Oregon's Willamette Valley (~75 seconds)
Host: Dave Sullivan & Dr. Bob ZybachSelfie-Stick Script
Read full word-for-word spoken script ▾
Shot
Time
Visual
Dave's Spoken Words
Shot 1
0:00–0:18
Selfie shot in Douglas-fir woods
"Hi, I'm Dave Sullivan, here in Oregon's Willamette Valley—that's wih-LAM-it! If you look at the woods behind me today, it just looks like quiet forest. But every piece of land in America is hiding a mystery right under your feet."
Shot 2
0:18–0:38
Walking trail along creek
"My friend Doctor Bob Zybach—that's ZIGH-bahk—is a forest historian who solves land mysteries by working backward in time. We start with what the land looks like today, peel back old airplane photos from ninety years ago, and then read the handwritten notebooks of the first surveyors who walked here with an iron chain in the eighteen-fifties."
Shot 3
0:38–0:58
Holding 1853 survey map
"Right below this video, you can try it yourself on one of Oregon's most amazing places: Soap Creek Valley. In four quick clicks, you'll peel back the trees, find the valley's eighteen-fifty-three Survey Birthday, and uncover the true story of Letitia Carson—a brave Black pioneer woman who went to court in the eighteen-fifties and won."
Shot 4
0:58–1:15
Pointing to map and search bar
"Once you solve the four clues at Soap Creek, type in your own house, your school, or a family farm, and run the exact same time machine on your land. Or, if you want to search your own address right now, just click the search bar at the top. Let's get started!"
Today Monmouth Elementary is filled with students, playgrounds, and classrooms right in the heart of the Willamette Valley. Ash Creek flows gently just south of the school grounds on its way toward the Willamette River at Independence. Laser ground scans [Lidar] reveal ancient braided streams and old mill pond channels.
Ground Detective Clue
Modern Satellite View: Modern tree canopy hiding the ground. Click the button below to strip away the trees with laser pulses!
Source: Oregon DOGAMI / USGS 3DEP Laser Terrain Model
Detective Question: What did this school ground look like before the town of Monmouth was built?
Clue 2 of 4 · Airplane Eyes
Peel Back 90 Years: Orchards, Hops & Normal School (1936)
The 1936 aerial photograph shows Monmouth as a compact country town nestled among vast prune orchards, cherry groves, and emerald-green hop fields. The historic brick buildings of the Oregon Normal School (now Western Oregon University) stand out prominently.
↔
1936 Aerial Photo
2026 Satellite
← Drag the center white bar left and right to travel between 1936 and today →
Source: USDA Agricultural Adjustment Administration (AAA) 1936 Flights
What Changed: Prune drying barns and hop kilns dotted the surrounding farmland where modern subdivisions stand today.
On June 15, 1852, Deputy Surveyor Butler Ives mapped Township 8 South. He marked Section 16 in the center of the township with a special notation: 'Reserved for Public Schools.'
🎂 What is a Survey Birthday? It's the exact day in the 1850s when government surveyors first measured your land with an iron chain, blazed living witness trees, and drew your parcel on an official federal map!
A
B
👉 Click on Corner Post A or B to stretch the 66-foot iron Gunter's Chain!
🎉
June 15, 1852
Monmouth's Survey Birthday is June 15, 1852!
Measured by Butler Ives (U.S. Deputy Surveyor, General Land Office [GLO]) using a 66-foot chain (80 chains per mile). Archived in GLO Title Plat T8S R4W (BLM Oregon Records, 1853).
🌳 Historical Example: Oregon White Oak (Quercus garryana)
Diameter: 14 inches • Bearing: South 30° East
Distance: 45 links (29.7 feet) • Historical example based on Butler Ives' 1852 GLO field notes for T8S R4W Section 16 School Reserve
In 1853, pioneer families from Monmouth, Illinois arrived in covered wagons. Led by Ira F.M. Butler and Christian Church trustees, they donated 400 acres of their land claims to create Monmouth University—which later became the Oregon State Normal School and Western Oregon University. They dedicated Section 16 land proceeds to build local public schools.
Benton County Jury Verdicts (1855–1856):
Monmouth was founded on a commitment to education: every child in the community was guaranteed access to a classroom.
Donation Land Claims #44, #45, and Congressional Section 16 School Reserve.
Federal Homestead Patent ORRAA 008939
Application filed in 1868 at Roseburg Land Office under 1862 Homestead Act.
Signed: June 17, 1869 by President Ulysses S. Grant.
Issued to Letitia Carson for 160.0 acres in Douglas County, Oregon.
Polk County Historical Society, Western Oregon University Archives, and GLO Survey plats.
Kalapuya Fishing & Camas Harvest on Ash Creek
The Kalapuya people gathered along Ash Creek every spring and summer to fish for lamprey and trout, and harvest sweet blue camas lilies from the moist prairie soils.
Section 16 [School Trust Land]: The Heart of Public Education
Section 16 in Monmouth exemplifies the vision of the 1848 Territorial Act: land set aside at the very birth of the community so school bells would ring for every generation of children.
🏅
Official Junior Land Detective Certificate
The Story of My Land: Monmouth Elementary & School Section 16
You've unlocked the 4 backward time-detective clues across Township 8 South, Range 4/5 West, Section 16. You verified how laser ground scans [Lidar] reveal hidden wagon traces, how 1930s biplanes recorded forest succession, how 1850s surveyors marked witness trees, and how Letitia Carson won justice in Oregon Territory.
✅ Link copied to clipboard! Share it with classmates or family.
Classmates Solve Together · Zero-PII Safe
Shared Classroom Clue Board
Join your classmates using a private 6-letter class code. Post your clues, compare surveyor witness trees, and piece together the history of your community—with zero student names or personal addresses stored.