Colonial Survey is a 1957 fix-up novel by Murray Leinster. It was first published by Gnome Press in 1957 in an edition of 5,000 copies. The book was reprinted by Avon Books in 1957 under the title The Planet Explorer. Originally published as 4 separate unrelated novelettes In various issues of Astounding Science Fiction, they were rewritten for book publication.
Solar Constant - originally published as Critical Difference (1956)
Sand Doom (1955)
Combat Team - originally published as Exploration Team (1956)
The Swamp Was Upside Down (1956)
