What man-made feature was built to prevent deposition of sand from closing the inlet to Freeport Harbor?

What is magnetic declination?

What scale is represented by each partial map?

What is the gradient of the Brazos River?

  Was this map revised?

Refer to the map below. What are the latitude and longitude coordinates of point X to the nearest 30″?

What type of stream is the Brazos River?

What type of coastline is present?

          What is the name of the quadrangle map located to the southeast of this one?

What is the value of the bench mark along Freeport Harbor?