---
type: "Bill"
title: "STATE DESIGNATIONS-STATE ROCK"
description: "Amends the State Designations Act. Provides that Dolostone is designated the official State rock of the State of Illinois."
jurisdiction: "us/states/il"
legislature: "Illinois General Assembly"
session: "102nd"
identifier: "HB 4261"
citation: "Illinois HB 4261 (102nd)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Janet Yang Rohr", "Laura Ellman"]
version_count: 3
action_count: 28
vote_count: 2
first_action: "2021-12-08"
last_action: "2022-06-06"
source: "openstates"
source_identifier: "ocd-bill/08598122-50b8-4ee7-aab7-e417d4323122"
source_url: "https://ilga.gov/legislation/BillStatus.asp?DocNum=4261&GAID=16&DocTypeID=HB&LegId=137306&SessionID=110&GA=102"
source_hash: "c77fe67d350ae73b1cd1c5292e33f9bb4791ba39e5dd3dfda34618b189679c2d"
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-il"]
---

# Illinois HB 4261 (102nd) — STATE DESIGNATIONS-STATE ROCK

Amends the State Designations Act. Provides that Dolostone is designated the official State rock of the State of Illinois.

## Version chain

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

1. **Introduced** (filed) — [source](https://ilga.gov/legislation/102/HB/PDF/10200HB4261.pdf)
2. **Engrossed** (committee substitute) — [source](https://ilga.gov/legislation/102/HB/PDF/10200HB4261eng.pdf)
3. **Enrolled** (enrolled) — [source](https://ilga.gov/legislation/102/HB/PDF/10200HB4261enr.pdf)

## Votes

- Third Reading — **103–0** (pass) · lower
- Third Reading — **55–0** (pass) · upper

## Sponsors

- Janet Yang Rohr — primary (person)
- Laura Ellman — primary (person)
- John Connor — cosponsor (person)

## Timeline

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

- **2021-12-08** Filed with the Clerk by Rep. Janet Yang Rohr `filing`
- **2022-01-05** First Reading `reading-1`
- **2022-01-05** Referred to Rules Committee `referral-committee`
- **2022-02-09** Assigned to State Government Administration Committee `referral-committee`
- **2022-02-16** Do Pass / Consent Calendar State Government Administration Committee; 008-000-000 `committee-passage`
- **2022-02-17** Placed on Calendar 2nd Reading - Consent Calendar
- **2022-02-18** Second Reading - Consent Calendar `reading-2`
- **2022-02-18** Held on Calendar Order of Second Reading - Consent Calendar `reading-2`
- **2022-03-01** Placed on Calendar Order of 3rd Reading - Consent Calendar
- **2022-03-02** Third Reading - Consent Calendar - First Day `reading-3`
- **2022-03-03** Third Reading - Consent Calendar - Passed 103-000-001 `passage, reading-3`
- **2022-03-04** Arrive in Senate `introduction`
- **2022-03-04** Placed on Calendar Order of First Reading `reading-1`
- **2022-03-04** Chief Senate Sponsor Sen. Laura Ellman
- **2022-03-04** First Reading `reading-1`
- **2022-03-04** Referred to Assignments `referral-committee`
- **2022-03-16** Assigned to State Government `referral-committee`
- **2022-03-23** Do Pass State Government; 008-000-000 `committee-passage`
- **2022-03-23** Placed on Calendar Order of 2nd Reading
- **2022-03-23** Second Reading `reading-2`
- **2022-03-23** Placed on Calendar Order of 3rd Reading March 24, 2022
- **2022-03-24** Added as Alternate Co-Sponsor Sen. John Connor
- **2022-03-29** Third Reading - Passed; 055-000-000 `passage, reading-3`
- **2022-03-29** Passed Both Houses
- **2022-04-19** Sent to the Governor `executive-receipt`
- **2022-06-06** Governor Approved `executive-signature`
- **2022-06-06** Effective Date January 1, 2023
- **2022-06-06** Public Act . . . . . . . . . 102-1044 `became-law`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/08598122-50b8-4ee7-aab7-e417d4323122`. Confidence: reported (aggregated from official Illinois legislature records).