# Geomorphology of Minnesota

Table Name | Field Name | Begin Column | Definition | Valid Values | Description
--- | --- | --- | --- | --- | ---
LANDFNE2.PAT | GEOMORPH | 25 | 16,16,c | Too Many to list. See other codes for validity. | This is the full landform code which is a combination of Glacial Association, Association Phase, Topographic Expression, Sedimentary Association and any qualifiers
| GEO_ASSOC | 41 | 1,1,c |  | Geomorphic Association
|  |  |  | A | Lake Agassiz
|  |  |  | B | Glacial Lake Minnesota
|  |  |  | C | Scoured Bedrock Uplands
|  |  |  | D | Des Moines Lobe
|  |  |  | E | Obscure glacial landscape, no glacial landforms present
|  |  |  | F | Fluvial
|  |  |  | G | Grantsburg Lobe
|  |  |  | H | Lake Duluth
|  |  |  | I | Iowan Erosion Surface
|  |  |  | J | Lake and pond sediment
|  |  |  | K | Koochiching Lobe
|  |  |  | L | St. Louis Lobe
|  |  |  | M | Upper Mississippi river
|  |  |  | N | River Warren
|  |  |  | O | Organic Deposits
|  |  |  | P | Pre-Wisconsinan Till Plains
|  |  |  | Q | Glacial Lake Benson
|  |  |  | R | Rainy Lobe
|  |  |  | S | Superior Lobe
|  |  |  | T | Dissected Bedrock Terranes
|  |  |  | U | Lake Upham/Aitkin
|  |  |  | V | Red River Lobe
|  |  |  | W | Wadena Lobe
|  |  |  | X | Mines
|  |  |  | Y | Water
|  |  |  | _ | Undifferentiated
| PHASE | 42 | 2,2,c |  | Glacial phase, ice margin association or age.
|  |  |  | Al | Altamont
|  |  |  | An | Ann
|  |  |  | Ar | Archean
|  |  |  | Be | Bemis Phase
|  |  |  | Bs | Big Stone
|  |  |  | Ca | Campbell Phase
|  |  |  | Cu | Culver
|  |  |  | De | Dent
|  |  |  | Du | Duluth
|  |  |  | Er | Erskine
|  |  |  | Fz | Frazee
|  |  |  | Gu | Guthrie
|  |  |  | He | Hewitt
|  |  |  | Hi | Highland
|  |  |  | Ho | Holocene
|  |  |  | Hr | Herman Phase
|  |  |  | It | Itasca
|  |  |  | Kn | Knife
|  |  |  | Ko | Koochiching Phase
|  |  |  | Mi | Milnor Phase
|  |  |  | Ml | Mille Lacs
|  |  |  | Ne | Nemadji
|  |  |  | Ni | Nickerson
|  |  |  | No | Norcross Phase
|  |  |  | Ou | Outing
|  |  |  | Pc | Pine City
|  |  |  | Pr | Proterozoic
|  |  |  | Sr | Split Rock
|  |  |  | St | St. Croix
|  |  |  | Ti | Tintah Phase
|  |  |  | Ve | Verdi
|  |  |  | Wi | Wisconsonian
|  |  |  | Wp | Pre-Wisonsonian
|  |  |  | __ | Undifferentiated
| TOPO | 44 | 1,1,C |  | General Topographic Expression
|  |  |  | 1 | Level. Includes areas of little relief relative to adjacent topography such as lake and outwash plain
|  |  |  | 2 | Rolling to Undulating. Areas exhibiting variable relief over broad reaches including till plains and drumlinized terrain.
|  |  |  | 3 | Hummocky. Includes areas of highly variable relief relative to adjacent topography. Typically supraglacial complexes, esker complexes and end moraines (kame-kettle topo).
|  |  |  | 4 | Steep. Used primarily for glacially-scoured or stream-dissected bedrock terranes.
|  |  |  | 5 | Inclined slopes intermediate between rolling and steep; predominantly sloping in one direction; no undrained depressions
|  |  |  | _ | Undifferentiated
| SED_ASSOC | 45 | 1,1,C |  | Sedimentary Association / Rock Type.
|  |  |  | A | Alluvium
|  |  |  | B | Bedrock dominated
|  |  |  | C | Outlets
|  |  |  | D | Sedimentary
|  |  |  | G | Igneous
|  |  |  | I | Ice Contact
|  |  |  | L | Lacustrine
|  |  |  | M | Metamorphic
|  |  |  | O | Outwash
|  |  |  | P | Peat
|  |  |  | R | Terrace
|  |  |  | S | Supraglacial Drift Complex
|  |  |  | T | Till Plain
|  |  |  | _ | Undifferentiated
| QUAL | 46 | 10,10,C |  | Additional Information or Qualifiers.
A landform may have more than one qualifier. All qualifiers are stored in this item and multiple qualifiers are separated by commas. All qualifiers are lower case. |  |  |  |  |
|  |  |  | ag | Anorthositic Gabbro Troctolite
|  |  |  | ar | Argillite
|  |  |  | be | Beach or Strandline. Elongate form representing past lake stage.
|  |  |  | fe | Banded Iron Formation
|  |  |  | ch | Outwash Channel or Outlet Channel
|  |  |  | co | collapsed or palimpsest outwash
|  |  |  | di | Disintigration ridge
|  |  |  | dw | Deep Water Facies Offshore deep water lake clays.
|  |  |  | dr | Drumlin or Flutes
|  |  |  | dc | Duluth Complex
|  |  |  | es | Esker
|  |  |  | eg | Ely Greenstone
|  |  |  | fp | floodplain
|  |  |  | fn | Fan. Fan -shaped features including glacial outwash fans, alluvial fans, some deltas.
|  |  |  | gr | Granite
|  |  |  | gi | Giants Range Granite
|  |  |  | gv | gravel
|  |  |  | ic | Predominately ice-contact deposits
|  |  |  | iw | Ice-Walled Lake Plains Abundant
|  |  |  | ka | Kame
|  |  |  | ks | karst
|  |  |  | lm | Lake Modified and/or wave-planed till. Reworking but usually not eliminating original landform characteristics.
|  |  |  | lo | Loess mantled sediment
|  |  |  | ma | Mantled by a veneer of younger drift
|  |  |  | ms | Metasedimentary
|  |  |  | mv | Metavolcanic
|  |  |  | no | Non-glacial source (terrace)
|  |  |  | ns | North Shore Volcanic Group
|  |  |  | od | outwash derived (terrace)
|  |  |  | po | Predominately Outwash
|  |  |  | pa | Peat Deposits Abundant
|  |  |  | rb | Raised Bog
|  |  |  | rl | river channel
|  |  |  | ro | Rove Formation
|  |  |  | st | stream washed
|  |  |  | sw | Shallow Water Facies. Near shore lake sands.
|  |  |  | sg | Saganaga Granite
|  |  |  | th | Thrust
|  |  |  | tm | Till Mantled
|  |  |  | tr | Trommald Formation
|  |  |  | tv | Tunnel Valley
|  |  |  | vg | Vermilion Granite
|  |  |  | em | Eolian Modification (windblown dunes)
|  |  |  | vl | Unknown (currently under investigation)
| SOURCE | 56 | 1,1,C |  | Field that store information on the party responsible for delineating and/or assigining attributes to the feature.
|  |  |  | D | University Minnesota-Duluth (UMD)
|  |  |  | M | Minnesota Gelogical Survey (MGS)
|  |  |  | R | Minnesota Department of Natural Resources (DNR)
LANDFNE2.AAT |  |  |  |  |
| LINE_CODE | 33 | 2,2,I |  | This item contains values designed to store the original values as digitized in Autocad. As Autocad does not support topology or attributing, codes were assigned to linework to help identify what types of landforms the polygon features represented.
|  |  |  | 20 | Beach deposit arc that is part of a polygon border
|  |  |  | 21 | Beach deposit arc that is a free standing arc
|  |  |  | 30 | Drainage Channel arc that is part of a polygon border
|  |  |  | 31 | Drainage Channel arc that is free standing
|  |  |  | 45 | Esker arc that is part of a polygon border
|  |  |  | 50 | Geomorphic Contact Inferred
|  |  |  | 60 | Geomorphic Contact
|  |  |  | 70 | Ice Contact Face arcs that arc part of a polygon border
|  |  |  | 71 | Ice Contact Face arc that are free standing
|  |  |  | 80 | Lineation arcs that are free standing
|  |  |  | 85 | Peat arcs that are part of a valid polygon border
|  |  |  | 86 | Raised Bog arcs that are part of a valid polygon border
|  |  |  | 90 | State Boundary
|  |  |  | 92 | Map sheet boundary caused by interpreted differences
| DESC | 35 | 32,32,c |  | This item stores descriptions of line values based on a collapsed classification of the LINE_CODE items. LINE_CODES that were included in each of the classes are indicated in parenthesis.
|  |  |  | GEOMORPHIC CONTACT | Geomorphic contact evident on source products (20,30,45,60,70,85,86)
|  |  |  | GEOMORPHIC CONTACT INFERRED | Geomorphic contact inferred, gradational, or approximately located (50)
|  |  |  | ICE CONTACT FACE | Distinct slope or scarp deposited in contact with ice and formed by meltout of ice and subsequent collapse. Steep slope faces ice. (71)
|  |  |  | LINEATION | Prominent lineation or directional trend (convex or concave) identifiable on aerial photographs or topograhic maps that are not associated with geomorphic contacts (21,80,83)
|  |  |  | DRUMLIN | Lines indicate location and are crudely proportional to shape (length and width) and trend of drumlin. (40)
|  |  |  | STATE BOUNDARY | State Boundary (90)
|  |  |  | TEXT LEADER | Leader line to annotation (91)
| SOURCE | 67 | 1,1,C |  | Field that store information on the party responsible for delineating and/or assigining attributes to the feature.
|  |  |  | D | University Minnesota-Duluth (UMD)
|  |  |  | M | Minnesota Gelogical Survey (MGS)
|  |  |  | R | Minnesota Department of Natural Resources (DNR)
DNR Database Description Form for including data in the DNR GIS Data Dictionary |  |  |  |  |
Feel free to step outside of lines when providing description information—Supplementary documentation always welcome |  |  |  |  |
Form Version 1.0 5 12/11/96 |  |  |  |  |