Code

Description

100

Depth Contours On First Salt Of Detroit River Group; 1 in = 25 mi; 1949

100A

Isopach Map Of All Salt Of Detroit River Group; 1 in = 25 mi; 1949

101

Depth Contours On First Salt Of Salina Group; 1 in = 25 mi; 1949

101A

Isopach Of Salina Group Salt; 1’ = 25 mi; 1949

3575

Sand Dunes Of Michigan; 1:1,000,000; 1962

3918

Dolomite Maps: Eastern Chippewa County; 1 in = 1 mi; 1937

3919

Dolomite Maps: Eastern Mackinac County; 1 in = 1 mi; 1939

3920

Dolomite Maps: Western Mackinac County; 1 in = 1 mi; 1938

3527

Southern Peninsula: Anticline Trend Map; 1:500,000; 1937

3528

Southern Peninsula: Glacial Drift Thickness; Contour Interval = 50 feet, 1:500,000; 1938

3585

Southern Peninsula: Bedrock Surface: Elevation Contour Interval = 50 feet 1:500,000; 1943

3800

Structure Contours: Top Of Trenton Group; 1:500,000; 1988

3867

General Geologic Map Of The Keweenaw Copper Range, Michigan: D. Snider; 1976.

3976

Southern Peninsula: Precambrian Test Wells; 1:500,000; 1988.

3977

Lower Ordovician: Fence Diagram; 1:500,000; 1983

3978

Structure Contour Generalized: Devonian K-Marker Metabentonite; 1:500,000; 1983

3980

Isopach Map: Thickness Of Eau Clair Member, Southern Peninsula; 1:500,000; 1988

3981

Isopach Map: Thickness Of Mount Simon Sandstone; 1:500,000; 1988

3982

Isopach Map: Thickness Of St. Peter Sandstone; 1:500,000; 1987

3983

Isopach Map: Thickness Of "Zone Of Uncomformity"; 1:500,000; 1984

3984

Prairie Du Chien Well Distribution In Michigan; 1:500,000; 1990

3987

Isopach Map: Thickness Of The Franconia Sandstone, Southern Peninsula; 1:500,000; 1988

3988

Isopach Map: Thickness Of Dresbach (Galesville) Sandstone, Southern Peninsula; 1:500,000; 1988

3989

Isopach Map: Thickness Of The Trempealeau Formation, Southern Peninsula; 1:500,000; 1988.

3990

Structure Contour: Top Of The First Anhydrite Within The Detroit River Group; 1:500,000; 1985

3991

Structure Contour: Top Of The First Salt Within The Detroit River Group; 1:500,000; 1985

3992

Structure Contour: Top Of The Detroit River Group; 1:500,000; 1985

3993

Structure Contour: Top Of The Dundee Formation; 1:500,000; 1985

3994

Isopach Map: Thickness Of The Dundee Formation; 1:500,000; 1985

3995

Structure Contour: Top Of The Bell Shale Formation; 1:500,000; 1985

3996

Isopach Map: Thickness Of The Bell Shale Formation; 1:500,000; 1985

3997

Isopach Map: Thickness Of The Prairie Du Chien; 1:500,000; 1985

4000

Recorded Seismic Disturbances With Epicenters In Michigan; 1:500,000; 1988

4003

Isopach Map Cambrian Thickness1:500K; 1988

4005

Paleogeological Map Of Southern Michigan - Upper Cambrian Rocks; 1:500,000; 1988

4009

Location Map Of Meteorite Finds And Cryptoexplosive Structures In Michigan; 1:500,000; 1987

4013

Bedrock Geology Of Southern Ingham & Northern Jackson Counties, Michigan1” = 1 mi; 1988

4017

Structure Contours Of The Precambrian; 1988

4023

Isopach Map: Niagaran Series Thickness; 1988

3984L

Prairie Du Chien Well Distribution In Michigan: List Of Well Locations And E-Log Depths; R. Reszka; 50pp.; 1990 - $10.00

Open File Maps
  The maps below (OFM codes) are made from the best available copy. They are typically preliminary, unedited information, subject to revision and or subsequent publication.

Michigan Geological Survey Open File Maps

OFM 80-1

Residual Magnetic Intensity Maps Of The Eastern Central Northern Peninsula Of Michigan: 1980; 18 plates. .-$15.00

OFM 81-1

Ground Magnetic Map Of Homer And Spring Arbor 15' Quad, Michigan: 1981; Sauk, Parker and Hoin. See also GSD OFR 81-1.

OFM 86-1

Bedrock Geology Of Section 35, 49n, 27w & The Northern Portion Of Section 2, 48n, 27w: 1985; E. Owens & T. J. Bornhorst; (see also GSD OFR 85-2 and GSD OFM 86-2.)

OFM 86-2-

Geologic Cross Section Of The Fire Center Area Along A-A: 1985; Owens, E.; (see also GSD OFR 85-2 and GSD OFM 86-1.)

U. S. G. S. Open File Maps

US-OFM-2

Geology Of Precambrian Rocks, Ironwood - Ramsey Area: Schmidt.

US-OFM-3

Bedrock Geology Of The Matchwood Quadrangle, Michigan: Johnson et al.

US-OFM-4

Outcrop And Surficial Deposits Map Of The Wakefield NE And Marenisco Quadrangles, Gogebic Co., Michigan: 2 Plates.

US-OFM-75-119

Preliminary Geologic Map Of The Wakefield Quad., Gogebic Co., Michigan: 1975; Prinz, W. & Hubbard, H. A.

US-OFM-75-152

Geologic Map And Section Of Little Girls Point, North Ironwood And Northern Part Of The Ironwood Quadrangles, Michigan: 1975; Hubbard, H. A.; 2 plates.

US-OFM-75-389

Magnetic Map Of The Wakefield NE Quad, Gogebic Co., Michigan: 1975; Prinz.

US-OFM-77-467

Map Showing Precambrian Geology In Parts Of The Baraga, Dead River And Clark Creek Basins, Marquette & Baraga Co., Michigan: 1977; Cannon, F. W.

US-OFM-77-746

Bouguer Gravity Anomaly Map, Baraga-Dead River Basins Area, Northern Michigan: 1977; Klasner.

US-OFM-78-211

Bouguer Gravity Anomaly Map Of The Northern Michigan-Lake Superior Region: 1978; Klasner, et al.

US-OFM-78-342

Geologic Map Of The Iron River 1 X 2 Quadrangle, Michigan & Wisconsin: 1978; Cannon, F.W.

US-OFM-78-386

Preliminary Geologic Map Of The Ned Lake Quadrangle, Michigan: 1978; Foose.

US-OFM-79-1305

Bedrock Geologic Map Of Parts Of Baraga, Dead River And Clark Creek Basins, Marquette Co., Michigan: 1979; Klasner, Cannon and Brock.

US-OFM-79-1564

Simple Bouguer Gravity Anomaly Map And Interpretation, Iron River 1 X 2 Quad, Michigan And Wisconsin: 1979; Klasner; 1 plate and 22 pages text

US-OFM-79-833

Aeromagnetic Survey Of Northern Michigan: 1979; LKB Resources Inc.

US-OFM-80-149

Aeromagnetic Maps Of The Eastern Northern Peninsula Of Michigan: 1980; 8 plates. $15.00

US-OFM-80-297

Description And Preliminary Map Of Airborne Electromagnetic Survey Of Parts Of Iron, Baraga And Dickinson Counties, Michigan: 1980; Heran & Smith, 2 plates text.

US-OFM-G29112

Geologic Map Of The Marenisco And Wakefield Quads, Gogebic County, Michigan: 1973; Trent and Prinz; 4 plates. .