| Item Title | Lake Name | Item | More Info. |
|---|---|---|---|
| Lakes and surroundings | Zeekoevlei | afr17-01.gif | |
| Oguta Lake | afr18-01.gif | ||
| Location of sampling stations | Lake Vortsjarv | eur47-04.gif | |
| Mackenzie Basin | Williston Lake | nam29-01.gif | |
| Mahaweli River Diversion Scheme | Lake Parakrama | asi45-10.gif | |
| Observation stations | Lake Ladoga | eur37-04.gif | |
| Past trend of dissolved oxygen, monthly (1967-1979) | Lake Rotorua | oce03-02.gif | |
| Past trend of filling levels (1950, …, 1980) | Lake Eyre | oce04-06.gif | |
| Past trend of Total-N, monthly (1973-1982) | Lake Rotorua | oce03-03.gif | |
| Past trend of Total-P (1967-1982) | Lake Rotorua | oce03-04.gif | |
| Past trend os annual inflow (1885-1980) | Lake Eyre | oce04-07.gif | |
| pH on surface and bottom (1978-1981) | Lake Kojima | asi37-01.gif | |
| Physiographic zoning of the lake | Lake Ladoga | eur37-03.gif | |
| Sampling stations set up at the river mouth | Lake Okeechobee | nam20-07.gif | |
| Sampling stations set up in the lake | Lake Okeechobee | nam20-02.gif | |
| Schematic diagram of development plans | Broa Reservoir | sam01-04.gif | |
| Schematic map of the bottom sediments | Lake Issyk-Kool | asi55-04.gif | |
| Seasonal change of meteorological conditions (1984) | Lake Eyre | oce04-05.gif | |
| Sketch map | Lake Nahuel Huapi | sam02-01.gif | |
| Lake Lacar | sam07-01.gif |