Designation:D7699/D7699M−20StandardPracticeforMinimumGeospatialDataforAbandonedMineLandProblemAreas,PlanningUnits,KeywordFeatures,andProjectSites1ThisstandardisissuedunderthefixeddesignationD7699/D7699M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1ThispracticecoverstheminimumelementsfortheaccuratelocationanddescriptionofgeospatialdatafordefiningAbandonedMineLand(AML)ProblemAreas,PlanningUnits,KeywordFeatures,andProjectSitesasoriginallydefinedbytheOfficeofSurfaceMiningReclamationandEnforcement(OSMRE),throughitsAbandonedMineLandInventoryManual(DirectiveAML-1)underthejurisdictionofSurfaceMiningControlandReclamationActof1977.ThesestandardsremainapplicabletominingorganizationsthatgeospatiallylocateandidentifyAMLsites,howeverthesestandardscanbeusedforentitiesthatareinbeginningphasesofmappingandidentifyingAMLsitesusingprotocolthatisconsistentwithexistingnomenclature.1.1.1Abandonedminelandsconsistofthoselandsandwaterswhichwereminedforcoalorotherminerals,orboth,andabandonedorleftinaninadequateconditionofreclama-tionandforwhichthereisnocontinuingreclamationrespon-sibilityformitigationofadverseimpactstohumanhealthandsafetyorenvironmentalresources.1.1.2Asusedinthispractice,anAMLProblemArea(PA)representsaclosedpolygonboundaryforauniquelydefinedgeographicareacontainedwithinanAMLPlanningUnit(PU).AnAMLPAisasubdivisionofanAMLPUthatcontainsoneormoreAMLkeywordfeaturestogetherwithimpactedlandorwaterresourcesorboth.AnAMLPAshouldnotcrossPUboundaries.1.1.3Asusedinthispractice,anAMLPUrepresentsaclosedpolygonboundaryofauniquelydefinedgeographicareaidentifiedbyuniquenumbersandnames.AnentireWCUmaybedelineatedasasinglePUorsubdividedintomultiplePUs.1.1.4Asusedinthispractice,anAMLKeywordFeatureisapoint,line,orpolygondefiningthelocationofaspecificon-the-groundfeaturecontaine...
