Geological Survey Appraisals

Reddish Rock Sample

Unidentified Granular Rock Sample

Plane Surveying: A Text-Book And Pocket Manual by John Clayton Tracy

Vintage Compass

Granite Rock Sample

Node of Crystalline Structure

Tree Roots and Rocks

Small Rock

Unidentified Rock Specimen

Natural Stone Artifact

Naturally Formed "Sneaker" Stone

Geological Specimen

Unidentified Metamorphic Rock Specimen

Rock Fragment

Unidentified Light-Colored Stone Fragment

Antique Geometric Tool Set

Unidentified Geological Specimen (Reddish-Brown & Green Mineral/Rock)

Vintage Pocket Compass

Granite Sample

Unidentified Rock/Mineral Specimen

Basalt Pebble

Unidentified Rock

Rough Natural Stone

Mineral Specimen

Heart-Shaped Rock

Igneous Rock

Small Rock Specimen

Fossilized Rock

Unidentified Rock or Mineral Sample

Fossilized Wood Fragment

Fossilized Seashell Embedded in Rock (Bivalve in Sedimentary Matrix)

Scoria (Lava Rock)

Raw Mineral Specimen

Weathered Rock with Lichen Growth

Weathered Geode Fragment or Porous Rock

Unclassified Mineral Sample

Rough Mineral Specimen

Small Stone

Unidentified Stone

Rock Specimen with Embedded Inclusions