Dan Penny Browse All Authors Famous Quotes by Dan Penny Changes in land use leave tell-tale traces in sedimentary deposits that can be measured. Measuring these traces in drill-cores allows us to reconstruct what people were doing in the landscape over long periods of time. Dan Penny science Our study suggests the inhabitants didnt leave Angkor because the infrastructure failed, rather the infrastructure failed (or was not maintained or repaired) because the urban elite had already left. Dan Penny science
