Aerial surveying services; Marine chart updating; Marine chart updating services; Marine surveying services; Marine, aerial and land surveying; Water analysis; Water meter reading and data analysis; Water quality control services; Analysis of water quality; Analysis of stream water quality; Civil engineering relating to water irrigation; Crop scouting services in the nature of scientific analysis of pest infestation and crop performance to determine the potential effectiveness of pest control measures; Detection of contaminants in water; Detection of contaminants in rivers, lakes, marshes, swamps and reservoirs; Engineering services and consultation for the detection of contaminants in rivers, lakes, marshes, swamps and reservoirs; Engineering services for the construction of water treatment and purification plants, solid waste treatment plants and other municipal infrastructure facilities; Hydrologic and engineering modeling and design of measures to protect areas likely to be inundated by storm-water and flood-waters; Hydrologic study of surface and ground water; Monitoring of water quality; Monitoring of stream water quality; Non-land vehicles design services; Remote measuring services for the exterior features of rivers, lakes, marshes, swamps and reservoirs using aerial imagery and computer software; Technical quality monitoring services of water conditions