| 1:24K topos | Data is based on the most commonly used topographical maps at a scale of 1:24,000. |
| 1:5K orthos | Data is based on digital orthophotos at a 1:5000 scale. The most recent photos were taken in the mid to late 1990’s. |
| 1:5K orthos (1970s) | Data is based on older orthophotos at a 1:5000 scale. These are not digital. |
| 1:24K DEM | Data is based on the Digital Elevation Model created at a 1:24,000 scale. |
| 1:5K DEM | Data is based on the “rumored” Digital Elevation Model created at a 1:5,000 scale. |
| NRCS soil survey maps | Data is based on the Natural Resource Conservation Service soils data. |
| Land use - land cover (1990s statewide) | Data is based on statewide Land Use and Land Cover digital data from the 1990s. |
| Digitial corridor land use - land cover | Data is based on more detailed digital Land Use and Land Cover data available from the local Regional Planning Commission. |
| SGAT automated | Data is calculated during the SGAT steps and exported to the DMS. |
| 2002 Statewide lclu | Data is based on statewide Land Use and Land Cover digital data from 2002. |
| 2002 Statewide lclu & HUC 10 2002 Statewide lclu | Data is based on statewide & HUC 10 Land Use and Land Cover digital data from 2002. |
| NRCS soil survey maps - updated 2005 | Data is based on the Natural Resource Conservation Service soils data. (updated 2005) |
| Field observation | Data is collected during a windshield survey or field visit. |
| Field obs. at access point along reach | Data is from a field observation at an access point along the reach. |
| Field obs. along entire reach | Data is from a field observation obtained while boating or walking the entire reach. |
| Field obs. and detailed notes along entire reach | Data is from a field observation obtained while boating or walking the entire reach and taking detailed notes. |
| Field - tape measure | Data is determined from a field measurement using a tape measure. |
| Field - GPS | Data is determined from a field measurement using a GPS. |
| Field - survey | Data is determined from a field survey. |
| Field - range finder | Data is determined from a field measurement using a range finder. |
| 1:24K topos, field obs. | Data is based on 1:24,000 topographic maps and field observations. |
| 1:24K topos, surficial geology (SG) data | Data is based on 1:24,000 topographic maps and surficial geology data available from the Natural Resource Conservation Service soils top 20 table |
| 1:24K topos, SG data, field obs. | Data is based on 1:24,000 topographic maps, surficial geology data, and field observations. |
| 1:24K topos, SG data, field - GPS | Data is based on 1:24,000 topographic maps, surficial geology data, and a GPS. |
| 1:24K topos, SG data, geologic studies | Data is based on 1:24,000 topographic maps, surficial geology data, and geologic studies |
| 1:24K topos, bedrock map | Data is based on 1:24,000 topographic maps and a bedrock map |
| 1:24K topos, bedrock map, dam inventories | Data is based on 1:24,000 topographic maps, a bedrock map and dam inventories |
| 1:24K topos, soils slope data | Data is based on 1:24,000 topographic maps and soils slope data |
| 1:24K topos, 1:5K NHD | Data is based on 1:24,000 topographic maps and the National Hydrography Dataset 1:5,000 surface water theme from the Vermont Center for Geographic Information. |
| 1:24K topos, 1:5K NHD, NWI maps | Data is based on 1:24,000 topographic maps, the 1:5,000 NHD theme and National Wetlands Inventory maps. |
| 1:24K topos, 1:5K NHD & orthos | Data is based on 1:24,000 topographic maps, the 1:5,000 NHD theme and 1:5,000 orthophotos. |
| 1:24K topos, 1:5K NHD & orthos, files | Data is based on 1:24,000 topographic maps, the 1:5,000 NHD theme, 1990s 1:5,000 orthophotos and office files. |
| 1:24K topos, 1:5K NHD & orthos, files, field obs. | Data is based on 1:24,000 topographic maps, the 1:5,000 NHD theme, 1990s 1:5,000 orthophotos, office files and field observations. |
| 1:24K topos, 1:5K orthos | Data is based on 1:24,000 topographic maps and 1990s 1:5,000 orthophotos. |
| 1:24K topos, 1:5K orthos, files | Data is based on 1:24,000 topographic maps, 1:5,000 orthophotos and office files. |
| 1:24K topos, 1:5K orthos, files, field obs. | Data is based on 1:24,000 topographic maps, 1:5,000 orthophotos, office files and field observations. |
| 1:5K orthos, other aerial photos | Data is based on 1990s 1:5,000 digital orthophotos and NRCS or COE compliance flight photos. |
| 1:5K orthos, field obs. | Data is based on 1990s 1:5,000 digital orthophotos and field observations. |
| 1:5K orthos (1990s & 1970s) | Data is based on 1990s 1:5,000 digital orthophotos and 1970s orthophotos |
| 1:5K orthos (1990s & 1970s), other aerial photos | Data is based on 1990s 1:5,000 digital orthophotos, 1970s orthophotos, and NRCS or COE compliance flight photos. |
| 1:5K orthos (1990s & 1970s), field obs. | Data is based on 1990s 1:5,000 digital orthophotos, 1970s orthophotos, and field observations. |
| 1:5K orthos, other aerial photos, field obs | Data is based on 1990s 1:5,000 digital orthophotos, NRCS or COE compliance flight photos and field observations. |
| 1:5K orthos (1970s), old aerial photos, topos | Data is based on 1970s orthophotos, old aerial photos and 1:24,000 topographic maps. |
| 1:5K orthos, recent coverages & photos, field obs. | Data is based on 1990s 1:5,000 digital orthophotos, recent orthophotos coverages and photos, and field observations. |
| 1:5K NHD, 1:5K orthos | Data is based on the 1:5,000 NHD theme and 1:5,000 1990s digital orthophotos. |
| 1:5K NHD, NWI maps, field obs. | Data is based on the 1:5,000 NHD theme, National Wetland Inventory maps and field observations. |
| Interviews - DEC, NRCS | Data is based on interviews with DEC stream alteration engineers and NRCS engineers. |
| Interviews - DEC, NRCS, Towns, others | Data is based on interviews with DEC stream alteration engineers, NRCS engineers, town officials and others. |
| Cross-sections, pebble counts | Data is based on cross-sections and pebble counts. |
| Profile, cross-sections, pebble counts | Data is based on stream profile, cross-sections and pebble counts. |
| Preliminary estimate | Data is based on a preliminary estimate, without the benefit of field observations. |
| Caculated | Data was calculated from a group of fields |
| Not Evaluated | Data was not collected at all |
