Lab 5a: More Practice with Spatial Analysis

1. How many counties does the State of Iowa contain? (2 pts)
99 Counties
2. Which county in Georgia contains the largest number of people, as of the year 2001? (2
pts)
Fulton County with a population of 832094

3. How many cities, with populations greater than 15,000, are located within the State of
Washington? (2 pts)
There are 39 cities with populations greater than 15000 in the State of Washington.

4. How many miles long are all of the interstates that are crossed by the outline of Los
Angeles County? (2 pts)
The total mileage is 3851.13751 miles.

5. Simplify the UrbanBoundaries feature class so that only the urban areas of Los Angeles
County are visible (Hint: you will use one of the overlay functions: clip, intersect, or
union). Include a screenshot of this new layer in your blog. How many acres of urban
area lie within Los Angeles County? (2 pts)
There are 1367445.890625 acres of Urban Area in Los Angeles County.

6. How many zip codes have their centroid in Los Angeles County? (2 pts)
There are 522 zip codes that have their centroid in Los Angeles County.

7. Create a layer displaying the provinces of Canada using the data provided to you in the
Canada dataset. Save this new layer under the Canada dataset using the name
Provinces. Include a screenshot of this new layer in your blog. (2 pts)




8. Which Native American Indian Reservations lie within 75 miles of the City of Thurso in
Quebec, Canada? (2 pts)
There are 5 Native American Indian Reservations that lie within 75 miles of the City of Thurso.