Laurel Hill Quarry, Incline Plane, Both sides of State Route 56, 2.4 m...
Significance: This inclined plane was constructed by the Conemaugh Stone Company to carry sandstone from its quarry at the crest of Laurel Hill to the Pennsylvania Railroad tracks at the base of the mountain. ... More
Laurel Hill Quarry, Incline Plane, Both sides of State Route 56, 2.4 m...
Significance: This inclined plane was constructed by the Conemaugh Stone Company to carry sandstone from its quarry at the crest of Laurel Hill to the Pennsylvania Railroad tracks at the base of the mountain. ... More
Laurel Hill Quarry, Incline Plane, Both sides of State Route 56, 2.4 m...
Significance: This inclined plane was constructed by the Conemaugh Stone Company to carry sandstone from its quarry at the crest of Laurel Hill to the Pennsylvania Railroad tracks at the base of the mountain. ... More
Laurel Hill Quarry, Incline Plane, Both sides of State Route 56, 2.4 m...
Significance: This inclined plane was constructed by the Conemaugh Stone Company to carry sandstone from its quarry at the crest of Laurel Hill to the Pennsylvania Railroad tracks at the base of the mountain. ... More
Laurel Hill Quarry, Incline Plane, Both sides of State Route 56, 2.4 m...
Significance: This inclined plane was constructed by the Conemaugh Stone Company to carry sandstone from its quarry at the crest of Laurel Hill to the Pennsylvania Railroad tracks at the base of the mountain. ... More
Laurel Hill Quarry, Incline Plane, Both sides of State Route 56, 2.4 m...
Significance: This inclined plane was constructed by the Conemaugh Stone Company to carry sandstone from its quarry at the crest of Laurel Hill to the Pennsylvania Railroad tracks at the base of the mountain. ... More
Laurel Hill Quarry, Incline Plane, Both sides of State Route 56, 2.4 m...
Significance: This inclined plane was constructed by the Conemaugh Stone Company to carry sandstone from its quarry at the crest of Laurel Hill to the Pennsylvania Railroad tracks at the base of the mountain. ... More
Laurel Hill Quarry, Incline Plane, Both sides of State Route 56, 2.4 m...
Significance: This inclined plane was constructed by the Conemaugh Stone Company to carry sandstone from its quarry at the crest of Laurel Hill to the Pennsylvania Railroad tracks at the base of the mountain. ... More
Laurel Hill Quarry, Incline Plane, Both sides of State Route 56, 2.4 m...
Significance: This inclined plane was constructed by the Conemaugh Stone Company to carry sandstone from its quarry at the crest of Laurel Hill to the Pennsylvania Railroad tracks at the base of the mountain. ... More
Laurel Hill Quarry, Incline Plane, Both sides of State Route 56, 2.4 m...
Significance: This inclined plane was constructed by the Conemaugh Stone Company to carry sandstone from its quarry at the crest of Laurel Hill to the Pennsylvania Railroad tracks at the base of the mountain. ... More
Laurel Hill Quarry, Incline Plane, Both sides of State Route 56, 2.4 m...
Significance: This inclined plane was constructed by the Conemaugh Stone Company to carry sandstone from its quarry at the crest of Laurel Hill to the Pennsylvania Railroad tracks at the base of the mountain. ... More
Laurel Hill Quarry, Incline Plane, Both sides of State Route 56, 2.4 m...
Significance: This inclined plane was constructed by the Conemaugh Stone Company to carry sandstone from its quarry at the crest of Laurel Hill to the Pennsylvania Railroad tracks at the base of the mountain. ... More
Laurel Hill Quarry, Incline Plane, Both sides of State Route 56, 2.4 m...
Significance: This inclined plane was constructed by the Conemaugh Stone Company to carry sandstone from its quarry at the crest of Laurel Hill to the Pennsylvania Railroad tracks at the base of the mountain. ... More
Laurel Hill Quarry, Incline Plane, Both sides of State Route 56, 2.4 m...
Significance: This inclined plane was constructed by the Conemaugh Stone Company to carry sandstone from its quarry at the crest of Laurel Hill to the Pennsylvania Railroad tracks at the base of the mountain. ... More
Laurel Hill Quarry, Incline Plane, Both sides of State Route 56, 2.4 m...
Significance: This inclined plane was constructed by the Conemaugh Stone Company to carry sandstone from its quarry at the crest of Laurel Hill to the Pennsylvania Railroad tracks at the base of the mountain. ... More