Table of Contents
2: Location, Borders, and Lakes
3: Geologic Structure and Landforms
6: Pre-historic and Early Historic Settlements
7: Survey Systems
8: Southern Hamlets, Villages, and Towns
9: Mennonite and Hutterite Settlements
10: First Nations Settlements
11: Northern Settlements
12: The Southern Cities
13: Mining and Oil Extraction
15: Industry / Manufacturing
16: Water Resources
17: Parks, Recreation, Sports
18: Transport and Communications: Past and Present
19: Legal Issues and Law Enforcement
Click for chapter introduction
The distribution of agricultural land in south and central Manitoba is easily mapped using small-scale images that provide an overview. At a larger scale the patterns produced by various stages of harvesting provide some of the most distinctive images of southern Manitoba. Old photos record obsolete techniques, and newer images demonstrate techniques used to cope with high evaporation rates and limited precipitation (field shelterbelts and irrigation). As with natural vegetation, so too with crops, colour infrared photos are useful in detecting crop types and diseases.
14.29: The Experimental Farm at Brandon
This colour infrared photograph shows an area of about one square mile (one section) extending from the eastward-flowing Assiniboine River 1 in the south, northward across the floor of the Assiniboine glacial spillway to the steep, partially wooded spillway bank in the north 2. The east/west Grand Valley Road 3 runs across the centre of the area, with two gravel roads leading off to the north (4 and 5). The easternmost of these leads to the federal Agriculture and Agri-Food Canada Brandon Research Station—one of three in Manitoba, the others being in Morden and Winnipeg. Administration buildings and barns can be seen east of the road 6, and a road leads off to the west 7 to the former Indian Residential School 8 that for many years was left empty and finally demolished. The Experimental Farm makes use of fertile soils developed on the spillway floor. Several short roads lead north from Valley Road 9 to houses located just off the spillway floor 10 above the level reached by Assiniboine floods.
Numerous small experimental plots can be seen on both sides of Grand Valley Road 11 as well as larger fields occupied by uniformly healthy crops (fairly uniform bright red) 12. However, even under controlled conditions topographic 13 and drainage 14 variations produce differences in the crops. A large field in the southwest 15 has been left fallow but has been overgrown by weeds, producing pink colouration 16. The weeds have been removed in some parts by cultivation producing some intricate patterns 17 of dark green/black.
Water reflects little infrared radiation. Therefore the Assiniboine River, an abandoned river channel 18, and the swimming pool at Turtle Crossing 19 are almost black. The fact that the river is black indicates low suspended sediment content at this time, mid-summer. If the photo had been taken in the spring when the river had high sediment content, the river would have appeared milky blue. The pool is surrounded by grass 20 (pink) with a large light-toned parking lot to the east 21. Other elements of the park are campsites in the wooded area south of the pool 22 and three baseball diamonds to the east of it 23.
Figure 14.29: The Experimental Farm at Brandon
Vertical colour infrared air photograph (Prairie Agri Photo)
Flight height: 7,200 fee a.s.l.; lens focal length: 50 mm
Scale: 1:9,500 (approx.)
Date: July 7, 1982
Location: Township 10, Range 19W1
Map sheets: 1:250,000 62 Brandon
1:50,000 62G/13 Brandon
1:25,000 62G/13d Brandon