Spring Lake Pit — Quarry and material-source record

Primary commodity in source: Construction Sand and Gravel; Operator in source: Hartmann Sand & Gravel Company Inc. Recorded location: Ozaukee, WI. Review the recorded source identity, location and material information together. Confirm current eligibility and operating details with the original publisher.

StateWI

Source-backed record from MSHA surface aggregate mine register. Browse the labeled observations and original source below.

Source collection
MSHA surface aggregate mine register
Source checked
2026-10-15

Reported record details

Fields retain their source labels and context. Read the original source for full details, qualifications and current status.

Source data row 88472

MSHA mine-register snapshot: INTERMITTENT operation in the source. This is not a claim of continuous production, current availability or DOT materials approval. Coordinates are reported by the source and may represent portable operations.

MSHA mine ID
4703061
Mine name in source
Spring Lake Pit
Mine type in source
Surface
Status in source
Intermittent
Status effective date in source
11/02/2020
Operator in source
Hartmann Sand & Gravel Company Inc
State
WI
County
Ozaukee
Nearest town in source
Fredonia
Primary commodity code
144200
Primary commodity in source
Construction Sand and Gravel
Portable operation flag (Y/N)
N
Reported latitude
43.5325
Reported longitude
-88.051111

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Retrieved 2026-10-15. Original files remain with their publishers; the displayed fields and navigation retain their source context.

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