TY - GEN AU - Larsen,D P AU - Thornton,K W AU - Urquhart,N S AU - Paulsen,S G TI - The role of sample surveys for monitoring the condition of the nation's lakes SN - 0167-6369 PY - 2013///1113 N1 - Publication Type: Journal Article UR - https://doi.org/10.1007/BF00547131 ER -