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Frequently Asked Questions

Common Snowmobiling Acronyms

ACEC - Area of Critical Environmental Concern

ADR - Alternative Dispute Resolution

Snowmobilers snowmobiling along a trail APD - Application for Permit to Drill

AUM - Animal Unit Month

BLM - Bureau of Land Management

CA - Conservation Agreement

CEQ - Council on Environmental Quality

CEQA - California Environmental Quality Act

CFR - Code of Federal Regulations

CS - Conservation Strategy

CX - Categorical Exclusion

DM - Departmental Manual

DNA - Documentation of Land Use Plan Conformance and National Environmental Policy Act (NEPA) Adequacy

DOI - Department of the Interior

DR - Decision Record (for an EA)

EA - Environmental Assessment

EIS - Environmental Impact Statement

EPA - Environmental Protection Agency

ESA - Endangered Species Act

FACA - Federal Advisory Committee Act

FWS - Fish and Wildlife Service

FLPMA - Federal Land Policy and Management Act

FONSI - Finding of No Significant Impact

GIS - Geographic Information System

IBLA - Interior Board of Land Appeals

IMP - Interim Management Policy

LAC - Limits of Acceptable Change

LUP - Land use plan

MFP - Management Framework Plan

MOU - Memorandum of Understanding

NOA - Notice of Availability

NOI - Notice of Intent

NEPA - National Environmental Policy Act

NMFS - National Marine Fisheries Service

NPS - National Park Service

OHV - Off-Highway Vehicle

PAC - Provincial Advisory Council

POD - Plan of Development

RAC - Resource Advisory Council

RMP - Resource Management Plan

RNA - Research and Natural Area

ROD - Record of Decision (for an EIS)

ROS - Recreation Opportunity Spectrum

T&E - Threatened and Endangered

TMDL - Total Maximum Daily Load

U.S.C. - United States Code

VRM - Visual Resource Management

About ACSA

ACSA is a national organization uniting the snowmobile community and promoting snowmobiling as a safe, fun and environmentally friendly family sport.


Snowmobiling is enjoyed by millions and must be represented by a strong national organization. ACSA is that organization. Join ACSA today to help us in our mission to promote snowmobiling.

Write Your Representative

It’s never been easier! Write your representative and let them know it’s important to protect public trail funding and other important issues.


It has never been more critical to support organized snowmobiling! Become a friend of ACSA by donating a tax-deductible amount and help keep public lands open.

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Contact Us

American Council of Snowmobile Associations
P.O. Box 1670
Brighton, MI 48116
Phone: (517) 351-4362

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