Beskrivning
Explains the formation of lakes and their importance to plant and animal life in addition to examining efforts to prevent pollution
Bokdetaljer
Format
Inbunden
Sidor
64 sidor
Språk
Engelska
Publicerad
Jun 28, 1973
Förlag
Morrow Junior
Upplagor
2 utgåvor
ISBN-10
0688200583
ISBN-13
9780688200589