---
type: "Bill"
title: "Natural resources; mining; small native copper mining operations; establish separate regulatory program for. Amends secs. 3118, 9115 & 63201 of 1994 PA 451 (MCL 324.3118 et seq.) & adds pt. 634."
description: "Natural resources; mining; small native copper mining operations; establish separate regulatory program for. Amends secs. 3118, 9115 & 63201 of 1994 PA 451 (MCL 324.3118 et seq.) & adds pt. 634."
jurisdiction: "us/states/mi"
legislature: "Michigan Legislature"
session: "2017-2018"
identifier: "SB 129"
citation: "Michigan SB 129 (2017-2018)"
classification: ["bill"]
subjects: ["Natural resources: mining", "Environmental protection: permits"]
status: "enacted"
primary_sponsors: []
version_count: 4
action_count: 29
vote_count: 2
first_action: "2017-02-09T05:00:00+00:00"
last_action: "2017-05-30T04:00:00+00:00"
source: "openstates"
source_identifier: "ocd-bill/2424619a-fed0-4269-ac8f-4b899456b4e3"
source_url: "http://legislature.mi.gov/doc.aspx?2017-SB-0129"
source_hash: "66250ff202c38d050a68ee3a501618d226804fea80d90b2ae1354a77fae5d1a2"
vintage: "2026-07-01"
source_snapshot: "https://data.openstates.org/daily/2026-07-01/public.pgdump"
retrieved_at: "2026-07-06"
confidence: "reported"
tags: ["legislation", "bill", "us-mi"]
---

# Michigan SB 129 (2017-2018) — Natural resources; mining; small native copper mining operations; establish separate regulatory program for. Amends secs. 3118, 9115 & 63201 of 1994 PA 451 (MCL 324.3118 et seq.) & adds pt. 634.

## Version chain

The bill's text revisions, in order — the diff chain from filing to enrollment.

1. **As Passed by the House** (committee substitute) — [source](http://www.legislature.mi.gov/documents/2017-2018/billengrossed/Senate/htm/2017-SEBH-0129.htm)
2. **As Passed by the Senate** (committee substitute) — [source](http://www.legislature.mi.gov/documents/2017-2018/billengrossed/Senate/htm/2017-SEBS-0129.htm)
3. **Public Act** (committee substitute) — [source](http://www.legislature.mi.gov/documents/2017-2018/publicact/htm/2017-PA-0040.htm)
4. **Senate Introduced Bill** (committee substitute) — [source](http://www.legislature.mi.gov/documents/2017-2018/billintroduced/Senate/htm/2017-SIB-0129.htm)

## Votes

- passed; given immediate effect Roll Call # 72 Yeas 74 Nays 35 — **74–35** (pass) · lower
- PASSED ROLL CALL # 67 YEAS 24 NAYS 11 EXCUSED 3 NOT VOTING 0 — **24–11** (pass) · upper

## Sponsors

- 38 — cosponsor (person)
- Tom Casperson — cosponsor (person)

## Timeline

The legislative action history — every referral, reading, and vote.

- **2017-02-09T05:00:00+00:00** INTRODUCED BY SENATOR THOMAS CASPERSON `introduction`
- **2017-02-09T05:00:00+00:00** REFERRED TO COMMITTEE ON NATURAL RESOURCES `referral-committee`
- **2017-02-23T05:00:00+00:00** REPORTED FAVORABLY WITHOUT AMENDMENT `committee-passage`
- **2017-02-23T05:00:00+00:00** COMMITTEE RECOMMENDED IMMEDIATE EFFECT
- **2017-02-23T05:00:00+00:00** REFERRED TO COMMITTEE OF THE WHOLE `referral-committee`
- **2017-03-07T05:00:00+00:00** REPORTED BY COMMITTEE OF THE WHOLE FAVORABLY WITH AMENDMENT(S) `committee-passage`
- **2017-03-07T05:00:00+00:00** AMENDMENT(S) CONCURRED IN
- **2017-03-07T05:00:00+00:00** PLACED ON ORDER OF THIRD READING WITH AMENDMENT(S)
- **2017-03-09T05:00:00+00:00** AMENDMENT(S) DEFEATED `amendment-failure`
- **2017-03-09T05:00:00+00:00** AMENDMENT(S) ADOPTED `amendment-passage`
- **2017-03-09T05:00:00+00:00** PASSED ROLL CALL # 67 YEAS 24 NAYS 11 EXCUSED 3 NOT VOTING 0 `passage`
- **2017-03-09T05:00:00+00:00** received on 03/09/2017 `introduction`
- **2017-03-09T05:00:00+00:00** read a first time `reading-1`
- **2017-03-09T05:00:00+00:00** referred to Committee on Natural Resources `referral-committee`
- **2017-03-29T04:00:00+00:00** reported with recommendation without amendment `committee-passage`
- **2017-03-29T04:00:00+00:00** referred to second reading
- **2017-04-20T04:00:00+00:00** read a second time `reading-2`
- **2017-04-20T04:00:00+00:00** placed on third reading
- **2017-04-25T04:00:00+00:00** read a third time `reading-3`
- **2017-04-25T04:00:00+00:00** passed; given immediate effect Roll Call # 72 Yeas 74 Nays 35 `passage`
- **2017-04-25T04:00:00+00:00** inserted full title
- **2017-04-25T04:00:00+00:00** returned to Senate
- **2017-04-26T04:00:00+00:00** GIVEN IMMEDIATE EFFECT
- **2017-04-26T04:00:00+00:00** FULL TITLE AGREED TO
- **2017-04-26T04:00:00+00:00** ORDERED ENROLLED
- **2017-05-16T04:00:00+00:00** PRESENTED TO GOVERNOR 5/11/2017 @ 11:04 AM `executive-receipt`
- **2017-05-30T04:00:00+00:00** APPROVED BY GOVERNOR 5/23/2017 @ 8:14 AM `executive-signature`
- **2017-05-30T04:00:00+00:00** FILED WITH SECRETARY OF STATE 5/23/2017 @ 10:54 AM
- **2017-05-30T04:00:00+00:00** ASSIGNED PA 0040'17 WITH IMMEDIATE EFFECT

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/2424619a-fed0-4269-ac8f-4b899456b4e3`. Confidence: reported (aggregated from official Michigan legislature records).