kat m research: North American Densification Network
kat m research: BC-4 World Primary Network
kat m research: key chart showing flight lines and photo locations (Mapping of Mississippi Delta and Passes)
kat m research: Diagram of sound ranging coverage with artillery firing possibilities
kat m research: weather map for 7 May, 1865
kat m research: Diagrams of objects used to establish azimuth for orienting artillery
kat m research: Map of the approaches to Vicksburg, Mississippi,
kat m research: supposed open sea
kat m research: Contoured sea surface temperature map of the Southern Hemisphere.
kat m research: Copepod with eggs
kat m research: sunset over new york city
kat m research: Entrance, Lituya Bay
kat m research: Preparing to launch a pilot balloon
kat m research: Launching a pilot balloon during strong winds at St. Louis Airport
kat m research: Kite operations at an aerological station
kat m research: Plan of the original model of the Isaacs-Kidd trawling net