Locations Unknown Sources

Here at Locations Unknown, we pride ourselves in providing listeners with a fact-based podcast on real life unsolved cases. We also strive to provide listeners and visitors to our website with fact-based information on hiking, backpacking, and the National Park System. Below you will find the sources we used throughout our website & podcast.

Sources Used on Podcast
787

National Park Statistics

National Park Acre Statistics - National Park Service
Annual National Park Recreations Visits - National Park Service
National Park Information - National Parked

Episode Sources

Jump to Specific episode:

2018
Episode #1: Paul Fugate

2019
Episode #2: Paul Miller - Joshua Tree National Park
Episode #3: Bobby Bizup - Rocky Mountain National Park
Episode #4: Michael Allen Ficery - Yosemite National Park
Episode #5: Arvin Nelson - Big Sur State Park
Episode #6: Charles McCullar - Crater Lake National Park
Episode #7: Laura Bradbury - Joshua Tree National Park
Episode #8: The Mystery Surrounding The Alaska Triangle
Episode #9: Carl Landers - Shasta-Trinity National Forest
Episode #10: Alfred Beilhartz - Rocky Mountain National Park
Episode #11: Yuba City Five - Plumas National Forest
Episode #12: Tom Messick - Lake George Wilderness Area NY
Episode #13: Samuel Boehlke - Crater Lake National Park
Episode #14: Dyatlov Pass Incident - Ural Mountains Russia
Episode #15: The Arvin Nelson Interview

2020
Episode #16: Murder on the Appalachian Trail - Part 1
Episode #17: Murder on the Appalachian Trail - Part 2
Episode #18: American Urban Legend Series - Part 1
Episode #19: Jaryd Atadero - Poudre Canyon Colorado
Episode #20: Connie Johnson - Nez Perce Clearwater National Forest Idaho
Episode #21: Eilean Mor Lighthouse Keepers - Scotland
Episode #22: Keith Parkins - Ritter Oregon
Episode #23: Terrence Woods - Nez Perce Clearwater National Forest Idaho
Episode #24: American Urban Legends Series - Part 2
Episode #25: Jonathan Aujay - Devil’s Punchbowl Natural Area - California
Episode #26: Stacey Arras - Yosemite National Park
Episode #27: The Mystery Surrounding Area 51
Episode #28: Missing on the Pacific Crest Trail
Episode #29: American Urban Legends Series - Part 3
Episode #30: Mitchell Dale Stehling - Mesa Verde National Park Colorado
Episode #31: This Sisters of Michael Ficery
Episode #32: Erika Lloyd - Joshua National Park
Episode #33: The Bermuda Triangle

2021
Episode #34: Sam Dubal - Mt. Rainier National Park
Episode #35: Unidentified Flying Objects
Episode #36: Caral Turner - Organ Pipe Cactus National Monument - Arizona
Episode #37: Jared Negrete - San Bernardino National Forest - California
Episode #38: Todd Hofflander - Hells Canyon Wilderness - Idaho
Episode #39: The Nevada Triangle
Episode #40: The Ohio Outdoorsman Killer
Episode #41: Jessie Hoover - 100 Mile Wilderness - Maine
Episode #42: Secret Societies
Episode #43: Keith Reinhard - Arapaho National Forest - Colorado
Episode #44: Kat Hammontre - Diablo Canyon - Mexico
Episode #45: Donnell Vista Point Disappearances
Episode #46: Matthew Greene - Ansel Adams Wilderness Area - California
Episode #47: Sam Sayers - North Cascades - Washington
Episode #48: History’s Mysteries
Episode #49: Corey Fay - Badger Creek Wilderness - Oregon
Episode #50: Gwen Hasselquist - Gig Harbor - Washington
Episode #51: Floyd Roberts - Grand Canyon-Parashant National Monument - Arizona
Episode #52: Aaron Hedges - Crazy Mountains - Montana
Episode #53: Gwen Hasselquist Part 2 - Gig Harbor - Washington

2022
Episode #54: Cian McLaughlin - Grand Teton National Park - Wyoming
Episode #55: Gerren Kirk - Mt. Hood National Forest - Oregon
Episode #56: The Lost City of Atlantis
Episode #57: Michael LeMaitre - Marathon Mountain - Alaska
Episode #58: Kevin O’Keefe - Glacier Bay National Park - Alaska
Episode #59: Barbara Bolick - Bitterroot Mountains - Montana
Episode #60: David Cook - Maroon Bells Peaks - Colorado
Episode #61: The Legend of D.B. Cooper
Episode #62: Shawn Higgins - Rouge River-Siskiyou National Forest
Episode #63: Case updates on Gerren Kirk, Erika Lloyd, Bobby Bizup, & Paul Miller
Episode #64: Terry Meador - Pine Mountain Wilderness - Wyoming
Episode #65: Kenny Veach - Sheep Mountain Wilderness - Nevada
Episode #66: Gwen Hasselquist Part 3 - Dawn’s Interview
Episode #67: David O’Sullivan - Pacific Crest Trail - Southern California
Episode #68: Gwen Hasselquist Part 4 - Dora’s Interview
Episode #69: Gilbert Gilman - Olympic National Park Washington
Episode #70: Quang Than - Kings Canyon National Park - California
Episode #71: Dennis Martin - Great Smokey Mountains National Park - Tennessee
Episode #72: Halloween Special - Werewolves, Vampires, & Ghosts
Episode #73: Kim Crumbo - Yellowstone National Park - Wyoming
Episode #74: Sandra Johnsen Hughes - Sierra National Forest - California
Episode #75: Brandon Day & Gina Allen - San Jacinto Mountains - California

2023
Episode #76: Daniel Robinson - Sonoran Desert - Arizona
Episode #77: Mystery in the Mountains
Episode #78: Grand Canyon Cold Cases
Episode #79: Glacier National Park Cold Cases
Episode #80: Garrett Bardsley - Unita Wasatch Cache National Forest - Utah
Episode #81: Randy Morgenson - Kings Canyon National Park - California
Episode #82: Kris Kremers & Lisanne Froon - Panama
Episode #83: Mount Rainier National Park Cold Cases
Episode #84: Oregon National Forest Cold Cases
Episode #85: Trammell Evans - Joshua Tree National Park - California
Episode #86: Olympic National Park Cold Cases
Episode #87: Paula Jean Welden - Green Mountain National Forest - Vermont

Episode #1: Paul Fugate

(Click here to view the full transcript of the episode)

No sources for this episode (Check back later)

Episode #3: Bobby Bizup - Rocky Mountain National Park

(Click here to view the full transcript of the episode)

No sources for this episode (Check back later)

Episode #6: Charles McCullar - Crater Lake National Park

(Click here to view the full transcript of the episode)

No sources for the episode (Check back later)

Episode #11: Yuba City Five - Plumas National Forest

(Click here to view the full transcript of the episode)

No sources for the episode (Check back later)

Episode #12: Tom Messick - Lake George Wilderness Area NY

(Click here to view the full transcript of the episode)

No sources for the episode (Check back later)

Episode #13: Samuel Boehlke - Crater Lake National Park

(Click here to view the full transcript of the episode)

No sources for the episode (Check back later)

Episode #14: Dyatlov Pass Incident - Ural Mountains Russia (Sources: 2)

(Click here to view the full transcript of the episode)

The Harrowing Mystery of The Dyatlov Pass Incident - All That Is Interesting
Russia Reopens Investigation into 60-year-old Dyatlov Pass mystery - CNN

Episode #15: The Arvin Nelson Interview

(Click here to view the full transcript of the episode)

No sources for the episode (Check back later)

Episode #16: Murder on the Appalachian Trail - Part 1 (Sources: 2)

(Click here to view the full transcript of the episode)

Murder in the Mountains - People
Murder on the Appalachian Trail - Outside Online

Episode #17: Murder on the Appalachian Trail - Part 2

(Click here to view the full transcript of the episode)

See Episode 16

Episode #19: Jaryd Atadero - Poudre Canyon Colorado

(Click here to view the full transcript of the episode)

No sources for the episode (Check back later)

Episode #21: Eilean Mor Lighthouse Keepers - Scotland

(Click here to view the full transcript of the episode)

No sources for the episode (Check back later)

Episode #22: Keith Parkins - Ritter Oregon

(Click here to view the full transcript of the episode)

No sources for the episode (Check back later)

Episode #26: Stacy Arras - Yosemite National Park

(Click here to view the full transcript of the episode)

No sources for the episode (Check back later)

Episode #27: The Mystery Surrounding Area 51 (Sources: 3)

(Click here to view the full transcript of the episode)

10 Area 51 Conspiracies - Howstuffworks
Area 51 Facts - CNN
Area 51’s Secrets Piece Together - Yahoo News

Episode #29: American Urban Legends Series - Part 3 (Sources: 3)

(Click here to view the full transcript of the episode)

Haunchyville Urban Legend - I can’t Even - Marquette University Television
Haunchyville: Wisconsin’s Miniature Murderers - Otherside Podcast
Hodag - Wikipedia

Episode #30: Mitchell Dale Stehling - Mesa Verde National Park - Colorado

(Click here to view the full transcript of the episode)

No sources for the episode (Check back later)

Episode #31: The Sisters of Michael Ficery

(Click here to view the full transcript of the episode)

No sources for the episode (Check back later)

Episode #33: The Bermuda Triangle

(Click here to view the full transcript of the episode)

No sources for the episode (Check back later)

Episode #35: Unidentified Flying Objects

(Click here to view the full transcript of the episode)

No sources for the episode (Check back later)

Episode #37: Jared Negrete - San Bernardino National Forest - California

(Click here to view the full transcript of the episode)

No sources for the episode (Check back later)

Episode #40: The Ohio Outdoorsman Killer

(Click here to view the full transcript of the episode)

No sources for the episode (Check back later)

Episode #45: Donnell Vista Point Disappearances

(Click here to view the full transcript of the episode)

No sources for the episode (Check back later)

Episode #50: Gwen Hasselquist - Gig Harbor - Washington

(Click here to view the full transcript of the episode)

No sources for the episode (Check back later)

Episode #53: Gwen Hasselquist Part 2 - Gig Harbor - Washington

(Click here to view the full transcript of the episode)

No sources for the episode (Check back later)

Episode #64: Terry Meador - Pine Mountain Wilderness - Wyoming (Sources: 21)

(Click here to view the full transcript of the episode)

UPDATE: Search for Missing Rock Springs Man Continues - Sweetwater Now
Missing Person- Terry Meador - Wyoming Division of Criminal Investigation
Missing Person - Terry Meador - NamUs
Big Piney Man Continues Search For Father Missing Since 2018 - Cowboy State Daily
Terry J Meador - The Charley Project
Sweetwater County Sheriff’s Office review, evaluate search for missing Wyoming man - 2KUTV
Sweetwater County Sherrif’s Office Update 11-04-2018 - Facebook
Sweetwater County Sherrif’s Office Update 10-31-2018 - Facebook
UPDATE - Rock Springs Hunter Still Missing in the Pine Mountain Area - Sweetwater County Sheriff
Sweetwater County Sheriff’s Office Update 10-28-2018 - Facebook
Sweetwater County Sheriff’s Office Update 10-27-2018 - Facebook
Sweetwater County Sheriff’s Office Update 10-26-2018 - Facebook
Deputies, Search & Rescue Searching for Rock Springs Man - Sweetwater County Sheriff
WY - Terry Meador - hunter - Rock Springs - truck found - Websleuths
Deputies, Search & Rescue Continue Searching for Rock Springs Man - My Local Radio
UPDATE: Low Temperatures, Adverse Weather Conditions Result in Suspension of Meador Search - Sweetwater Now
25 Wild Facts About Wyoming - Mental Floss
50 Fun Facts About Wyoming - Facts.net
The Climate of Wyoming - Water Resources Data Systems & State Climate Office
Wildlife Guide - Wyoming Wildlife Advocates
Pine Mountain Wyoming - Peakbagger

Episode #66: Gwen Hasselquist Part 3 - Dawn’s Interview

(Click here to view the full transcript of the episode)

No sources for this episode (Check back later)

Episode #68: Gwen Hasselquist Part 4 - Dora’s Interview

(Click here to view the full transcript of the episode)

No sources for this episode (Check back later)

Episode #73: Kim Crumbo - Yellowstone National Park - Wyoming (Sources: 23)

(Click here to view the full transcript of the episode)

What happened to Kim Crumbo? - The Salt Lake Tribune
Larger-than-life Utah conservationist is missing Yellowstone - The Salt Lake Tribune
Utah conservationist still missing in Yellowstone, half-brother found dead - The Salt Lake Tribune
National Park Service scales back search for Kim Crumbo, Ogden conservationist - Standard Examiner
Family, friends mourn an environmental warrior - The Leader
Yellowstone’s Mountain Ranges - Yellowstone Guidelines
Best trails in Yellowstone National Park - AllTrails
Backcountry Safety - NPS
Wildlife - NPS
18 Things You Didn’t Know About Yellowstone National Park - Travel + Leisure
Shoshone Lake - Wikipedia
A complete break down of the US National Parks by Size - National Park Obsessed
Visitation Number - NPS
Cause of death determined for man found dead in Yellowstone; search continues for missing Utah brother - Gephardt Daily
Kim Crumbo - Missing NPF
Rescue crews search for former Navy SEAL after half-brother found dead - New York Post
Missing Ogden man, former Navy SEAL described as legend in Park Service - KJZZ 14
Crews search for missing Ogden man at Yellowstone lake after relative’s body found nearby - 2KUTV
Submerged Resources Center - Wikipedia
Shoshone Lake - NPS
Missing Person - Kim Crumbo - Wyoming DCI
Submerged Resources Center - NPS
Yellowstone National Park scales back search and recovery of Shoshone Lake canoer - NPS

Episode #74: Sandra Jonsen Hughes - Sierra National Forest - California (Sources: 25)

(Click here to view the full transcript of the episode)

The Mysterious Disappearance of Sandra Johnson Hughes - Medium
California Missing Person Case Aided By Ghost Sighting - Mysterious Universe
Madera County Sherrif’s Office - Facebook
Women missing in Sierra National Forest: Authorities find ‘disheveled’ campsite, apparent car crash - SFGATE
Madera County Sherrif’s Office July 7th Update - Facebook
Still No Sign of Missing Camper, Search Enters Second Week - Sierra News Online
Sierra National Forest - Wikipedia
Best time to go to Sierra National Forest - Where and When
Sierra Nevada Land Feature - iNaturalist
Sierra National Forest - Britannica
Climate change effects in the Sierra Nevada - USDA
Sierra National Forest - USDA
Best Trails in Sierra National Forest - AllTrails
25 Interesting Facts About Forests - KickassFacts
An Overview of Sierra National Forest History - USDA
Forest Service National Visitor Use Monitoring - USDA
Blue haired woman TERRIFIES authorities - YouTube
The Sandra Johnsen Hughes disappearance in Sierra National Forest - Strange Outdoors
Sandra Johnsen Hughes, 54, missing in Sierra National Forest since June 26th - Reddit
Sighting reported of woman missing 6 weeks in Sierra - The Mercury News
Sandra Hughes - Disappeared
Sandra Johnsen Hughes - Missing From Sierra National Forest - Vanished.us
Sandra Johnsen Hughes - still missing after two years - Mariposa Gazette
Missing People in Yosemite - NPS
Desperate search is launched for woman, 54, who disappeared in Sierra National Forest - Daily Mail

Episode #78: Grand Canyon Cold Cases (Sources: 26)

(Click here to view the full transcript of the episode)

Which National Park has the Most Disappearances? - Trail & Summit
Physical Effects Of Meth Addiction - Renaissance
Missing boy may have been partying with meth - Arizona Daily Sun
Justin Richardson - Uncovered
Justin Lee Richardson disappeared from the Grand Canyon area in 2001 and has never been found - Wiliams-Grand Canyon News
Justin Lee Richardson - The Charley Project
Justin Lee Richardson - still missing in/near Kaibab National Forest - Missing NPF
The Disappearance of 13-Year Old Justin Richardson - Reddit
The strange disappearance of Drake Cramer in the Grand Canyon National Park - Strange Outdoors
Missing Person - Drake Lyons Kramer - Facebook
Drake Lyons Kramer - Missing NPF
Drake Lyons Kramer - The Charley Project
Hiker Missing in Grand Canyon Told Dad He ‘Needed to Be Back With Mother Earth’ - ABC News
College Student Missing at the Grand Canyon Wanted to ‘Give His Body to Mother Earth’ - People
Morgan Heimer was a river rafting guide - Reddit
The disappearance of Morgan Heimer - Reddit
Grand Canyon National Park - NPS
The bizarre disappearance of Morgan Heimer from Grand Canyon National Park - Strange Outdoors
Morgan Elias Heimer - NamUs
No trace of man missing on Colorado River in Grand Canyon - Williams-Grand Canyon News
Grand Canyon Facts - Maverick
Best Trails in Grand Canyon National Park - AllTrails
Nankoweap Trail: Hiking the Grand Canyon’s Most Difficult Trail - Travel Channel
Grand Canyon Wildlife: Here’s The List of Animals You Might See at the Canyon - Quirky Travel Guy
Grand Canyon National Park - Wikipedia
20 Amazing Grand Canyon Facts - Pink Adventure Tours

Episode #86: Olympic National Park Cold Cases (Sources: 21)

(Click here to view the full transcript of the episode)

Ancient Peoples and Area Tribes of Olympic National Park - NPS
16 Fascinating Olympic National Park Facts You Probably Didn’t Know - More Than Just Parks
23 Fun Facts About Olympic National Park - Them and Agies
Olympic National Park Climate Information - US Forest Service
Olympic National Park Natural Features & Ecosystem - NPS
Olympic National Park Terrestrial Mammal Species List - NPS
Why Mount Storm King Is The Hardest Hike In Olympic National Park - Living Tiny With A Wolf
Madison Falls Trail - AllTrails
The bizarre disappearance of Bryan Lee Johnston from Olympic National Park - Strange Outdoors
He just vanished into thin air - Westside Seattle
Rescuers Continue To Hunt Missing Hiker - The Spokesman Review
The strange disappearance of John Devine from Olympic National Park - Strange Outdoors
Investigators Flown To Helicopter Wreckage - Search For 73-Year Old Hiker Is Suspended - The Seattle Times
3 Killed as chopper crashes while searching for a hiker - Deseret News
The strange disappearance and death of James Griffin in Olympic National Park - Strange Outdoors
Searchers find body of missing Olympic hiker - Fox 13 Seattle
Sister of Seattle man missing in Olympic National Park believes her brother is still alive - Peninsula Daily News
Rangers search Ozette area for overdue hiker - Peninsula Daily News
2nd UPDATE - Search to resume Saturday for Port Angeles man missing in National Park - Peninsula Daily News
Search for missing Port Angeles hiker sees high volunteer turnout - Peninsula Daily News
Olympic National Park Wilderness Safety - NPS

Episode #87: Paula Jean Welden - Green Mountain National Forest - Vermont

(Click here to view the full transcript of the episode)