diff --git a/src/envo/envo-edit.owl b/src/envo/envo-edit.owl
index 4c335ccb..eff1d957 100644
--- a/src/envo/envo-edit.owl
+++ b/src/envo/envo-edit.owl
@@ -4016,6 +4016,10 @@ Declaration(Class(<http://purl.obolibrary.org/obo/ENVO_06105123>))
 Declaration(Class(<http://purl.obolibrary.org/obo/ENVO_06105124>))
 Declaration(Class(<http://purl.obolibrary.org/obo/ENVO_06105125>))
 Declaration(Class(<http://purl.obolibrary.org/obo/ENVO_06105126>))
+Declaration(Class(<http://purl.obolibrary.org/obo/ENVO_06105225>))
+Declaration(Class(<http://purl.obolibrary.org/obo/ENVO_06105226>))
+Declaration(Class(<http://purl.obolibrary.org/obo/ENVO_06105266>))
+Declaration(Class(<http://purl.obolibrary.org/obo/ENVO_06105267>))
 Declaration(Class(<http://purl.obolibrary.org/obo/ENVO_06105268>))
 Declaration(Class(<http://purl.obolibrary.org/obo/ENVO_06105269>))
 Declaration(Class(<http://purl.obolibrary.org/obo/ENVO_06105300>))
@@ -42457,11 +42461,11 @@ SubClassOf(<http://purl.obolibrary.org/obo/ENVO_03501304> <http://purl.obolibrar
 
 # Class: <http://purl.obolibrary.org/obo/ENVO_03501305> (pliofilm)
 
-AnnotationAssertion(Annotation(<http://www.geneontology.org/formats/oboInOwl#hasDbXref> <https://www.merriam-webster.com/dictionary/Pliofilm>) <http://purl.obolibrary.org/obo/IAO_0000115> <http://purl.obolibrary.org/obo/ENVO_03501305> "Manufactured plastic consisting of a glossy moistureproof membrane made of rubber hydrochloride."@en)
+AnnotationAssertion(Annotation(<http://www.geneontology.org/formats/oboInOwl#hasDbXref> <https://www.merriam-webster.com/dictionary/Pliofilm>) <http://purl.obolibrary.org/obo/IAO_0000115> <http://purl.obolibrary.org/obo/ENVO_03501305> "Synthetic plastic which is composed of a glossy, moistureproof membrane made of rubber hydrochloride."@en)
 AnnotationAssertion(<http://www.geneontology.org/formats/oboInOwl#created_by> <http://purl.obolibrary.org/obo/ENVO_03501305> <https://orcid.org/0000-0002-8844-9165>)
 AnnotationAssertion(<http://www.geneontology.org/formats/oboInOwl#creation_date> <http://purl.obolibrary.org/obo/ENVO_03501305> "2021-03-15T04:00:01.750Z"^^xsd:dateTime)
 AnnotationAssertion(rdfs:label <http://purl.obolibrary.org/obo/ENVO_03501305> "pliofilm"@en)
-SubClassOf(<http://purl.obolibrary.org/obo/ENVO_03501305> <http://purl.obolibrary.org/obo/ENVO_01000404>)
+SubClassOf(<http://purl.obolibrary.org/obo/ENVO_03501305> <http://purl.obolibrary.org/obo/ENVO_06105112>)
 
 # Class: <http://purl.obolibrary.org/obo/ENVO_03501306> (mylar)
 
@@ -43958,9 +43962,9 @@ SubClassOf(<http://purl.obolibrary.org/obo/ENVO_03600022> <http://purl.obolibrar
 
 # Class: <http://purl.obolibrary.org/obo/ENVO_03600030> (soil horizon)
 
-AnnotationAssertion(Annotation(<http://www.geneontology.org/formats/oboInOwl#hasDbXref> <https://en.wikipedia.org/wiki/Soil_horizon>) <http://purl.obolibrary.org/obo/IAO_0000115> <http://purl.obolibrary.org/obo/ENVO_03600030> "A layer which is parallel to the soil surface and which has roughly homogenous physical, chemical and biological properties relative to the soil layers above or beneath it."@en)
+AnnotationAssertion(Annotation(<http://www.geneontology.org/formats/oboInOwl#hasDbXref> <https://en.wikipedia.org/wiki/Soil_horizon>) <http://purl.obolibrary.org/obo/IAO_0000115> <http://purl.obolibrary.org/obo/ENVO_03600030> "A soil layer which is parallel to the soil surface and which has roughly homogenous physical, chemical and biological properties relative to the soil layers above or beneath it."@en)
 AnnotationAssertion(rdfs:label <http://purl.obolibrary.org/obo/ENVO_03600030> "soil horizon"@en)
-SubClassOf(<http://purl.obolibrary.org/obo/ENVO_03600030> <http://purl.obolibrary.org/obo/ENVO_01000281>)
+SubClassOf(<http://purl.obolibrary.org/obo/ENVO_03600030> <http://purl.obolibrary.org/obo/ENVO_06105266>)
 SubClassOf(<http://purl.obolibrary.org/obo/ENVO_03600030> ObjectSomeValuesFrom(<http://purl.obolibrary.org/obo/RO_0002473> <http://purl.obolibrary.org/obo/ENVO_00001998>))
 
 # Class: <http://purl.obolibrary.org/obo/ENVO_03600031> (earth-filled dam)
@@ -45183,6 +45187,40 @@ AnnotationAssertion(<http://www.geneontology.org/formats/oboInOwl#inSubset> <htt
 AnnotationAssertion(rdfs:label <http://purl.obolibrary.org/obo/ENVO_06105126> "weathering of plastic"@en)
 SubClassOf(<http://purl.obolibrary.org/obo/ENVO_06105126> <http://purl.obolibrary.org/obo/ENVO_06105119>)
 
+# Class: <http://purl.obolibrary.org/obo/ENVO_06105225> (soil layer top depth)
+
+AnnotationAssertion(<http://purl.obolibrary.org/obo/IAO_0000115> <http://purl.obolibrary.org/obo/ENVO_06105225> "The depth of the top part of a soil layer."@en)
+AnnotationAssertion(<http://purl.org/dc/elements/1.1/creator> <http://purl.obolibrary.org/obo/ENVO_06105225> <https://orcid.org/0000-0001-6284-4821>)
+AnnotationAssertion(<http://purl.org/dc/elements/1.1/date> <http://purl.obolibrary.org/obo/ENVO_06105225> "2021-12-19T21:17:29Z"^^xsd:dateTime)
+AnnotationAssertion(rdfs:label <http://purl.obolibrary.org/obo/ENVO_06105225> "soil layer top depth"@en)
+SubClassOf(<http://purl.obolibrary.org/obo/ENVO_06105225> <http://purl.obolibrary.org/obo/PATO_0001595>)
+SubClassOf(<http://purl.obolibrary.org/obo/ENVO_06105225> ObjectSomeValuesFrom(<http://purl.obolibrary.org/obo/RO_0000052> <http://purl.obolibrary.org/obo/ENVO_06105266>))
+
+# Class: <http://purl.obolibrary.org/obo/ENVO_06105226> (soil layer bottom depth)
+
+AnnotationAssertion(<http://purl.obolibrary.org/obo/IAO_0000115> <http://purl.obolibrary.org/obo/ENVO_06105226> "The depth of the bottom part of a soil layer."@en)
+AnnotationAssertion(<http://purl.org/dc/elements/1.1/creator> <http://purl.obolibrary.org/obo/ENVO_06105226> <https://orcid.org/0000-0001-6284-4821>)
+AnnotationAssertion(<http://purl.org/dc/elements/1.1/date> <http://purl.obolibrary.org/obo/ENVO_06105226> "2021-12-19T21:19:05Z"^^xsd:dateTime)
+AnnotationAssertion(rdfs:label <http://purl.obolibrary.org/obo/ENVO_06105226> "soil layer bottom depth"@en)
+SubClassOf(<http://purl.obolibrary.org/obo/ENVO_06105226> <http://purl.obolibrary.org/obo/PATO_0001595>)
+SubClassOf(<http://purl.obolibrary.org/obo/ENVO_06105226> ObjectSomeValuesFrom(<http://purl.obolibrary.org/obo/RO_0000052> <http://purl.obolibrary.org/obo/ENVO_06105266>))
+
+# Class: <http://purl.obolibrary.org/obo/ENVO_06105266> (soil layer)
+
+AnnotationAssertion(<http://purl.obolibrary.org/obo/IAO_0000115> <http://purl.obolibrary.org/obo/ENVO_06105266> "A layer that is composed primarily of soil."@en)
+AnnotationAssertion(<http://purl.org/dc/elements/1.1/creator> <http://purl.obolibrary.org/obo/ENVO_06105266> <http://orcid.org/0000-0002-8461-9745>)
+AnnotationAssertion(rdfs:label <http://purl.obolibrary.org/obo/ENVO_06105266> "soil layer"@en)
+EquivalentClasses(<http://purl.obolibrary.org/obo/ENVO_06105266> ObjectIntersectionOf(<http://purl.obolibrary.org/obo/ENVO_01000281> ObjectSomeValuesFrom(<http://purl.obolibrary.org/obo/RO_0002473> <http://purl.obolibrary.org/obo/ENVO_00001998>)))
+SubClassOf(<http://purl.obolibrary.org/obo/ENVO_06105266> <http://purl.obolibrary.org/obo/ENVO_01000281>)
+
+# Class: <http://purl.obolibrary.org/obo/ENVO_06105267> (soil profile characterization)
+
+AnnotationAssertion(Annotation(<http://www.geneontology.org/formats/oboInOwl#hasDbXref> "http://www.ctahr.hawaii.edu/mauisoil/a_profile.aspx") <http://purl.obolibrary.org/obo/IAO_0000115> <http://purl.obolibrary.org/obo/ENVO_06105267> "A planned process in which the soil profile is characterized, describing the different soil horizons that composed it."@en)
+AnnotationAssertion(<http://purl.org/dc/elements/1.1/creator> <http://purl.obolibrary.org/obo/ENVO_06105267> <https://orcid.org/0000-0001-6284-4821>)
+AnnotationAssertion(<http://purl.org/dc/elements/1.1/date> <http://purl.obolibrary.org/obo/ENVO_06105267> "2021-12-23T04:10:36Z"^^xsd:dateTime)
+AnnotationAssertion(rdfs:label <http://purl.obolibrary.org/obo/ENVO_06105267> "soil profile characterization"@en)
+SubClassOf(<http://purl.obolibrary.org/obo/ENVO_06105267> <http://purl.obolibrary.org/obo/OBI_0000011>)
+
 # Class: <http://purl.obolibrary.org/obo/ENVO_06105268> (treated wastewater)
 
 AnnotationAssertion(Annotation(<http://www.geneontology.org/formats/oboInOwl#hasDbXref> "https://www.usgs.gov/special-topics/water-science-school/science/wastewater-treatment-water-use") <http://purl.obolibrary.org/obo/IAO_0000115> <http://purl.obolibrary.org/obo/ENVO_06105268> "Waste water which was converted into an effluent that can be either returned to the water cycle with minimal environmental issues or reused."@en)