further work on lake mapper
further work on lake mapper

csherwood-usgs/landlab,ManuSchmi88/landlab,csherwood-usgs/landlab,cmshobe/landlab,SiccarPoint/landlab,laijingtao/landlab,amandersillinois/landlab,cmshobe/landlab,landlab/landlab,Carralex/landlab,SiccarPoint/landlab,laijingtao/landlab,Carralex/landlab,cmshobe/landlab,ManuSchmi88/landlab,RondaStrauch/landlab,Carralex/landlab,ManuSchmi88/landlab,landlab/landlab,amandersillinois/landlab,RondaStrauch/landlab,RondaStrauch/landlab,landlab/landlab