Colorado Digital Aeromagnetic Projects

No
Name
Flown By
Date Flown
Spacing
Dir
Altitude
LnMi
Datum
Publication

3059

Chama

Aerial

09/74-11/74

1 mi.

E-W

12,000 B

382

POGO, 53675

OF76-420

3060

Maroon Bells

Aerial

09/74-11/74

1 mi.

E-W

14,000 B

1814

POGO, 54586

OF79-1449

3125

Pueblo

Applied

07/78

0.75 mi.

E-W

1000 AG

1325

IGRF75

OF79-1368

3163

Hunter Frying Pan

LKB

04/79-05/79

0.5 mi.

N-S

1000 AG

250

IGRF75, 51300

OF79-1226

3164

Powderhorn '78

LKB

04/79-05/79

0.75 mi.

N-S

13,000 B

300

IGRF75, 51300

OF79-1227

4059

Lost Creek

HighLife

05/81-03/82

0.5 mi.

N-S

1000 AG

3640

IGRF75, 54490

OF83-632

4066

Fossil Ridge

HighLife

11/81-12/81

0.5 mi.

E-W

1000 AG

370

IGRF75, 54358

OF82-979

4067

Buffalo Peaks

HighLife

11/81

0.5 mi.

N70E

1000 AG

405

IGRF75, 55288

OF82-978

4068

Sangre de Cristo

HighLife

11/81-12/81

0.25 mi.

N70E

1000 AG

3635

IGRF75, 54132

OF83-060

4089A

Lake City (San Juan Mtns.)

HighLife

10/79

0.33 mi.

N-S

400 AG

786

IGRF75

OF81-568

4144

Black Ridge Canyon

Airborne

10/85

0.5 mi.

E-W

500 AG

450

IGRF80, 53859

OF87-337

4146

San Juan Mountains '86

Edcon

07/86

0.33 mi.

E-W

1000 AG

4650

IGRF85, 53113

OF87-423

4147

Creede Mining District

Edcon

07/86

0.2 mi.

E-W

500 AG

330

IGRF85, 52605

OF87-422

5007

Creede, Area 1

GeoMet.

10/78

0.25 mi.

NW-SE

400 AG

863

IGRF75

GJBX-212(80)

5008

Fairview, Area 2

GeoMet.

08/78-09/78

0.25 mi.

NW-SE

400 AG

1459

IGRF75

GJBX-212(80)

5009

Bonanza, Area 3

GeoMet.

08/78

0.25 mi.

NW-SE

400 AG

613

IGRF75

GJBX-212(80)

5010

Mt. Harvard, Area 4

GeoMet.

09/78

0.25 mi.

E-W

400 AG

1030

IGRF75

GJBX-212(80)

5011

Anthracite Range, Area 5

GeoMet.

10/78

0.25 mi.

N-S

400 AG

734

IGRF75

GJBX-212(80)

5036

Columbine Pass, Area A

HighLife

08/79-09/79

0.25 mi.

N-S

400 AG

1236

IGRF75

GJBX-031(83)

5037

Redcloud Peak, Area B

HighLife

08/79-09/79

0.25 mi.

E-W

400 AG

1366

IGRF75

GJBX-031(83)

5038

Platoro '79, Area C

HighLife

08/79-09/79

0.25 mi.

N-S

400 AG

705

IGRF75

GJBX-031(83)

5039

Granite Lake, Area D

HighLife

08/79-09/79

0.25 mi.

NE-SW

400 AG

401

IGRF75

GJBX-031(83)

Description of Table

No.: Internal USGS identification number
Name: Internal project name (not always the name used in publication title)
Flown By: Company or government agency who flew the original survey
Spacing and Dir.: Primary flight-line spacing and primary flight-line direction
Altitude: Primary flight altitude in feet; B = barometric elevation, AG = above ground draped over topography
LnMi.: Approximate total of line miles flown for this survey
Datum: Indicates if a regional field was removed and, if it could be determined, the base value removed. Total field = no regional was removed. Arb. (arbitrary) datum = the base value removed was not stated on the map or in survey reports.
Publication: Brief publication reference*. USGS publications are listed as: Open-File reports = OFxx-yyyy where xx is the publication year, Bulletins and Professional Papers = B-yyyy or P-yyyy, Geophysical Maps = GP-yyyy, Miscellaneous Field Studies Maps = MF-yyyy, Miscellaneous Investigations Maps = I-yyyy.

*For a full reference for USGS publications see: http://library.usgs.gov/