Limestone · Indiana

Indiana Buff

Earthworks Stone

Indiana Buff · honed finish.
Indiana Buff · honed finish.

Buff limestone ranging from cream to light brown, with a fine to medium grain and subtle veining.

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Colors
Cream / buff · Brown
Supplied as
Architectural cut stone · Cladding panels · Coping and sills · Paving
Finishes
Honed · Machine sandblasted · Bush hammered · Brushed
Typical uses
Cladding & exterior walls · Interior walls & fireplaces · Flooring · Landscape & site stone

Origin evidence

Extraction country
USA — verified[1][2][3][4]
Extraction state
Indiana — verified[1][2][3][4]
Quarry / operator
Earthworks Quarry Site #7 — Earthworks Stone[1][2][3][4]
MSHA Mine ID
1202479[1][3][4]
Sources (4)
  1. Source 1 · extraction country, extraction state, quarry / operator, msha mine id
  2. Source 2 · extraction country, extraction state, quarry / operator
  3. Source 3 · extraction country, extraction state, quarry / operator, msha mine id
  4. Source 4 · extraction country, extraction state, quarry / operator, msha mine id

MSHA: Active · Mine ID 1202479

MSHA record details

Earthworks Quarry Site #7

Snapshot: 18 September 2026. Mine source record 1202479 · Look up this ID at MSHA · Status effective 10 September 2025

Regulatory classification; confirm current supply separately.

Material-to-mine association supported by the linked sources.

Mine source record

Restoration and matching

Material still marketed
Yes

Currently listed by the producer; confirm stock and individual order allocation.

Source

Technical information

Indiana limestone — laboratory report

Laboratory report · Report date: November 4, 2021 · Testing Engineers, Inc. · N573

PropertyTest methodReported resultCondition / orientation
Water absorptionASTM C973.56 %Mean of five specimens
Bulk specific gravityASTM C972.35Mean of five specimens
Compressive strengthASTM C1709,694 psiDry; rift perpendicular to load

Selected results from PDF pages 1 and 5; the report also contains other conditions and tests. These are tested specimen values, not design allowables. Confirm applicability to current production.

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