North American Datum 1988 and
National Geodedic Vertical Datum 1929
Differences by County

Courtesy Minnesota DOT Central Office Surveying and Mapping Section

Also available is a map with 0.10 foot contour intervals
County Average
Difference
in feet		 County Average
Difference
in feet
Aitkin 0.59 Marshall 1.18
Anoka 0.24 Martin 0.25
Becker 1.01 Meeker 0.49
Beltrami 1.09 Mille Lacs 0.48
Benson 0.43 Morrison 0.58
Big Stone 0.72 Mower 0.04
Blue Earth 0.16 Murray 0.64
Brown 0.32 Nicollet 0.23
Carlton 0.34 Nobles 0.69
Carver 0.23 Norman 1.11
Cass 0.77 Olmsted 0.07
Chippewa 0.56 Otter Tail 0.84
Chisago 0.15 Pennington 1.24
Clay 1.05 Pine 0.32
Clearwater 1.15 Pipestone 0.80
Cook 0.52 Polk 1.27
Cottonwood 0.42 Pope 0.66
Crow Wing 0.63 Ramsey 0.17
Dakota 0.16 Red Lake 1.17
Dodge 0.08 Redwood 0.48
Douglas 0.70 Renville 0.50
Faribault 0.18 Rice 0.06
Fillmore 0.04 Rock 0.82
Freeborn 0.06 Roseau 1.38
Goodhue 0.12 St Louis 0.73
Grant 0.68 Scott 0.14
Hennepin 0.27 Sherburne 0.39
Houston -0.05 Sibley 0.29
Hubbard 0.88 Stearns 0.56
Isanti 0.30 Steele 0.05
Itasca 0.30 Stevens 0.67
Jackson 0.43 Swift 0.63
Kanabec 0.52 Todd 0.71
Kandiyohi 0.55 Traverse 0.71
Kittson 1.24 Wabasha 0.05
Koochiching 1.10 Wadena 0.80
Lac Qui Parle 0.63 Waseca 0.10
Lake 0.48 Washington 0.14
Lake of the Woods 1.38 Watonwan 0.23
Le Sueur 0.13 Wilkin 0.79
Lincoln 0.79 Winona -0.02
Lyon 0.66 Wright 0.32
McLeod 0.39 Yellow Medicine 0.62
Mahnomen 1.13