Columbia subject headings:
Louisiana--Surveys.
Public land sales--Louisiana.
Public lands--Louisiana.
Surveying--Public lands--Louisiana.
Harvard subject headings:
Louisiana--Surveys.
Public land sales--Louisiana.
Public lands--Louisiana.
Surveying--Public lands--Louisiana.
Princeton subject headings:
Louisiana--Public lands.
Louisiana--Surveys.
Public land sales--Louisiana.
Surveying--Public lands--Louisiana.