Which map scale would give you the largest area?

Which map scale would give you the largest area?

A large scale map shows greater detail because the scale is a larger fraction than a small scale map. Large scale maps have a scale of 1:50,000 or greater (1:24,000, 1:10,000.). Maps with scales from 1:50,000 to 1:250,000 are considered intermediate. Small scale maps are those with scales smaller than 1:250,000.

What is a depression on a topographic map?

A closed contour, inside of which the ground or geologic structure is at a lower elevation than that outside, and distinguished on a map from other contour lines by hachures marked on the downslope or downdip side.

How do you read slope on a topographic map?

To find the slope of a feature, the horizontal distance (run) as well as the vertical distance (rise) between two points on a line parallel to the feature need to be determined. The slope is obtained by dividing the rise over run. Multiply this ratio by 100 to express slope as a percentage.

How do you know which slope is steeper?

When you look at the two lines, you can see that the blue line is steeper than the red line. It makes sense the value of the slope of the blue line, 4, is greater than the value of the slope of the red line, . The greater the slope, the steeper the line. The next example shows a line with a negative slope.

What does a valley look like on a topographic map?

A valley can be “V” or “U” shaped and often can be seen as a “negative” to a ridge. On a map, valleys are represented by the same contour shape as ridges with the difference being the the wide openings are at lower elevation.

How do you identify a valley?

A valley is an elongated depression in the landscape that is formed by the action of water (V-shaped) or carved out by glaciers (U-shaped). Valley bottoms are represented by “U” or “V” shaped contour lines with their closed end pointing towards higher elevation.

What is a gentle slope in geography?

A gentle slope or curve is not steep or severe.

Do geologic maps show elevation?

Topographic maps reveal the shape of a landscape. Elevations indicate height above sea level. Geologic maps show rock units and geologic features, like faults and folds.