THE HISTORICAL
MARKER DATABASE
“Bite-Size Bits of Local, National, and Global History”
 
 
 
 
 
 
8 entries match your criteria.  

 
 

Historical Markers in Mountain Pass

 
Clickable Map of San Bernardino County, California and Immediately Adjacent Jurisdictions image/svg+xml 2019-10-06 U.S. Census Bureau, Abe.suleiman; Lokal_Profil; HMdb.org; J.J.Prats/dc:title> https://commons.wikimedia.org/wiki/File:Usa_counties_large.svg San Bernardino County, CA (454) Inyo County, CA (219) Kern County, CA (390) Los Angeles County, CA (2425) Orange County, CA (533) Riverside County, CA (365) La Paz County, AZ (33) Mohave County, AZ (125) Clark County, NV (263)  SanBernardinoCounty(454) San Bernardino County (454)  InyoCounty(219) Inyo County (219)  KernCounty(390) Kern County (390)  LosAngelesCounty(2425) Los Angeles County (2425)  (533) Orange County (533)  RiversideCounty(365) Riverside County (365)  LaPazCountyArizona(33) La Paz County (33)  MohaveCounty(125) Mohave County (125)  ClarkCountyNevada(263) Clark County (263)
San Bernardino is the county seat for San Bernardino County
Mountain Pass is in San Bernardino County
San Bernardino County (454)  ►
ADJACENT TO SAN BERNARDINO COUNTY
Inyo County (219)  ►
Kern County (390)  ►
Los Angeles County (2425)  ►
Orange County (533)  ►
Riverside County (365)  ►
La Paz County, Arizona (33)  ►
Mohave County, Arizona (125)  ►
Clark County, Nevada (263)  ►
 
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1 ► California, San Bernardino County, Mountain Pass — Footprints in Time —
On Interstate 15 25 miles north of Baker, on the right when traveling north.
Today, Valley Wells is part of the Great Mojave Desert, but as recently as 15,000 years ago, this area was home to grasslands and temperate forests. As the environment of an area changes, so must its inhabitants either adapt or perish. How . . . — — Map (db m221111) HM
2 ► California, San Bernardino County, Mountain Pass — Modern Highways —
On Interstate 15 26 miles south of Primm, on the right when traveling south.
Cars completed the transportation revolution. Two lane roads like Route 66 and the Arrowhead Highway (road that Interstate 15 replaced) crossed the Mojave, and connected with a network of often dirt roads that gave motorized access to the . . . — — Map (db m221144) HM
3 ► California, San Bernardino County, Mountain Pass — Movement in the Desert —
On Interstate 15 26 miles south of Primm, on the right when traveling south.
To cross the dry and rugged Mojave Desert, early inhabitants developed foot trails traveling from spring to spring. These trails evolved from footpaths to pack routes and then wagon roads as Euro-Americans entered the desert. Railroad routes strayed . . . — — Map (db m83462) HM
4 ► California, San Bernardino County, Mountain Pass — Railroads Revolutionize Transportation —
On Interstate 15 26 miles south of Primm, on the right when traveling south.
By the late 1800s, transcontinental railroads were uniting the nation. The Southern Pacific was the first to cross the Mojave Desert in 1883. Train routes provided economical transportation for raw materials like minerals and cattle to larger . . . — — Map (db m83948) HM
5 ► California, San Bernardino County, Mountain Pass — Ranching and Mining —
On Interstate 15 26 miles south of Primm, on the right when traveling south.
Gold and silver discoveries during the mid-1800s brought hundreds of prospectors trekking across the eastern Mojave. Ephemeral camps sprang up throughout the desert as miners discovered copper and silver in nearby mountains. Ranchers moving into . . . — — Map (db m83927) HM
6 ► California, San Bernardino County, Mountain Pass — 70 — Valley Wells —
On Interstate 15 26 miles south of Primm, on the right when traveling south.
In the late 1860's copper was discovered on Clark Montain and the Clark Mining District was organized. Ore was rich but high transportation costs soon caused mining to cease. In the late 1890's the railroad came within 30 miles and the original . . . — — Map (db m78573) HM
7 ► California, San Bernardino County, Mountain Pass — Western Expansion —
On Interstate 15 26 miles south of Primm, on the right when traveling south.
In 1776, while Spain was establishing missions in California, Father Garces became in the first known Europe to travel along Indian trails here. Mojave Indians helped guide Garces west to the San Gabriel Mission. In 1826, famed trapper and explorer . . . — — Map (db m83463) HM
8 ► California, San Bernardino County, Mountain Pass — Who Has Lived Here? —
On Interstate 15 26 miles south of Primm, on the right when traveling south.
Humans have lived in the Mojave Desert for perhaps 12,000 years. The earliest humans inhabited this region during times of higher precipitation, when the dry lake beds of today were filled with water. Their projectile points, scrapers, and other . . . — — Map (db m83464) HM
 
 
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Nov. 13, 2026