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National Applications Liaison Office

The National Applications Liaison Office (NALO) is responsible for developing, maintaining, and enhancing over 40 programmatic software applications in support of the Forest Service mission.  These applications are used by more than 9,000 Forest Service employees, and are designed to comply with laws, regulations, and policy.  Data collected in NALO applications improve Agency decision-making, transparency, and reporting to Congress and the public.

For questions regarding NALO applications or associated data, please email NALO.

Please select an application:


Access Travel Management (ATM)

Serves as the official database of record regarding access and travel management information for NFS roads, trails, and areas.  Documents allowed and restricted travel management strategies, and incorporates data in Motor Vehicle Use Maps (MVUMs) and Over Snow Vehicle Use Maps (OSVUMs) used for local planning, management, and public information sharing.


Assists land managers in tracking and analyzing sources of air pollution and potential impacts of pollution that could affect lands managed by the Forest Service. Data from Air is published for collaborators and the public on the Federal Land Managers Environmental Database (FED) and to the Forest Service's Air program website.

Aquatic Surveys (AqS)

Serves as the agency standard for managing aquatic survey information. This includes data, digital images, and field notes about fish, aquatic insects, reptiles, amphibians, riparian environment characteristics, temperature monitoring, etc.  Provides raw or summarized aquatic data through mapping and reporting tools.


Records attributes of FS buildings used to prepare the Forest Service Federal Real Property Profile (FRPP), an annual report required by Executive Order 13327 for all real property owned or leased by the Forest Service.  Identifies deferred maintenance backlog and produces a quarterly asset inspection report.


Provides a central repository of all USFS managed significant caves (over 2200); significant criteria, cave biota, completed management plans, and presence of White-Nose Syndrome data.

Communication Systems

Supports tracking and reporting on data about a wide variety of communication systems owned or leased by the Forest Service, including radio towers, microwave repeaters, satellite dishes, and related radio equipment such as base radio stations.

Culverts & Culvert Installations 

Stores official NFS road culvert data to support road program management, provide public information, and report to Federal Highways.


Maintains an inventory of Forest Service dams used to prepare the Forest Service Federal Real Property Profile (FRPP), an annual report required by Executive Order 13327 for all real property owned or leased by the Forest Service.  Also used to prepare reports to the U.S. Army Corps of Engineers for the National Inventory of Dams.

Engineering Facilities Work Items (WrkItems)

Records and tracks work items associated with Forest Service assets, which are used to determine the deferred maintenance backlog, facility condition index (FCI), and facilities condition rating (FCR) for all agency real property assets.

Forest Legacy Program (FLP)

Has been identified for decommissioning by NALO Leadership. This application is not currently in use. It was created to provide management and tracking of documents associated with Forest Legacy Program projects and lands tracts associated with the project. 

Forest Service Activity Tracking System (FACTS)

Manages information about activities related to fire/fuels, silviculture, Trust Funds, range vegetation improvement, and invasive species used by all levels of the Forest Service.  Allows tracking and monitoring of National Environmental Policy Act (NEPA) decisions as well as the ability to create and manage Knutson-Vandenberg (KV) trust fund plans at the timber sale level.

Forest Soil Disturbance Protocol (FSDMP)

Centralizes field-collected forest soil disturbance data for long-term use, analysis, and adaptive management.

FSVeg (Field Sampled Vegetation)

The application and database for field-sampled vegetation data. Included are Common Stand Exam, its data collection and associated analysis software, as well as other protocols, in support of national forest management.

FSVeg Spatial

Supports GIS-based vegetation analysis by managing spatial and tabular vegetation data in one location.  

FSVeg Spatial Data Analyzer (DA)

Assists with landscape and NEPA analyses by allowing users to create management alternatives and compare them through built-in visualizer tools.   

Grants & Agreements (G&A) 

Provides a single point of entry for all activity related to agency grants and agreements, and allows for a full life-cycle management.  Feeds data to/from Financial Management Modernization Initiative (FMMI). 


Provides a central, online database for collecting and managing data from projects, cultural resources, and assemblages across the Forest Service.  Supports long-term management of cultural resources and agency compliance. 

Interpretive Services

Supports data collection and calculations of the costs associated with developing, delivering, maintaining, and managing interpretive services. 

Inventory Mapping / Rangeland Inventory Monitoring

Provides a database for data related to sampling, mapping, characterization, interpretation, and classification of terrestrial natural resources, specifically supporting Terrestrial Ecological Unit Inventory (TEUI) project work, and inventories for Geology, Soils, and Potential Natural Vegetation.

Land Status Record System (LSRS)

Houses all Forest Service land status and survey management data, including: ownership, use restrictions, and all official Forest Service boundaries.  Serves as the official, permanent public record for all realty records evidencing title and jurisdiction for all National Forest System (NFS) lands.

Locatable Minerals

Manages information about locatable minerals (e.g., gold, silver, copper, lead) and mining operations on National Forests to support compliance and foster mineral development in an ecologically sound manner.

Mineral Materials

Manages information on mineral material (e.g., sand, gravel, landscape rock) sites, contracts, and permits, and serves as the platform for issuing free-use permits for mineral materials to the public.

NALO National Visitor Use Monitoring (NVUM)

Supports data collection and analysis from the Nationwide Visitor Use Survey that provides estimates of visitation to National Forests.  Allows the Forest Service to create publicly-accessible reports highlighting results from completed surveys.

R9 District Automation Tool

Assists R9 with management of timber sale appraisal activities. Data is shared with TIM.

Rangeland Management

Stores data on the 96 million acres of Forest Service rangelands, such as Range Allotments, Pastures, and Wild Horse and Burro Territories, and allows for management of approximately 6,100 active grazing permits and grazing agreements annually - and collection of associated fees.  Data housed in the application supports national-, regional-, and district-level projects and analyses such as the National Interagency Sage-Grouse and Sagebrush Conservation Assessment.

Real Property Management (RPM)

Provides a central database for the creation and maintenance of Forest Service real property asset records for approximately 35,000 assets. Consists of a group of applications including Real Property Inventory (RPI), Federal Real Property Profile (FRPP), and Leases.

Recreation Sites

Supports data collection on recreation sites used by the Forest Service to report physical inventory, determine the cost to meet National Quality Standards, track the cost of deferred maintenance, prioritize sites, and report accomplishments. 

Road Bridges

Serves as the NFS road bridge inventory database of record and describes attributes for each road bridge including its structural characteristics, dimensions, inspection information, load rating information, and needed maintenance work items.


Serves as the NFS road inventory database of record and includes inventory, planning, condition, costing and accomplishment reporting based the road business rules.  Integrates with other applications, including Access and Travel Management, to display transportation and travel management information in map products.

Special Uses Data System (SUDS)

Provides a database to enter, manage, and track information about special use applications and authorizations.  Allows users to authorize permit leases and easements, amend these authorizations, and track billing information in the Recreation and Lands Programs. Program managers use the system to collect, analyze, maintain and track data about special use permits and revenue, including data about land use and cost recovery.

Threatened, Endangered and Sensitive Plants Invasive Species (TESP/IS)

Captures tabular and spatial data on TES plants and invasive species (all taxa) and allows users to directly link spatial features for easy entry of field-collected data. Integrates with FACTS and serves as the required interface for Invasive Species Treatment Records.

Timber Information Manager (TIM)

Supports Forest Service employees in creation of forest product removal permits, conventional forest product sale documents, and stewardship sale contract documents. Provides automated reporting mechanisms and tools for sales of forest products, including stewardship and other authorities.  TIM and TIM data are used to collect, analyze, maintain, track, and report data about forest product permits and  sales, including the volume and value of forest products sold from national forests, grasslands and prairies.

Trail Bridges

Serves as the NFS trail bridge inventory database of record and tracks elements related to bridges on trails throughout the National Forests. Integrates with the Trails application for more comprehensive trail management.


Serves as the NFS trail inventory database of record and includes inventory, planning, condition, costing, and accomplishment reporting based on Trails Program business rules.  Supports data-sharing about Forest Service trails with partners and the public.

Wastewater Systems

Maintains an inventory of Forest Service wastewater systems, and allows the agency to identify and quantify annual and deferred maintenance and capital improvement needs for wastewater collection, control, and treatment infrastructure.

Water Rights and Uses (WRU)

Supports the tracking and reporting of state and federally recognized water rights and uses, and supports property management and reporting. Serves as the mandatory repository for data associated with water rights and uses on National Forests and Grasslands.

Water Sampling

Allows for the tracking of contaminant sample results from water systems on Forest Service lands, which helps program managers monitor compliance and corrective actions, and identify and report trends. 

Water Systems

Provides a repository for data on FS water systems, owned and leased, required for upward reporting, documentation and other administrative uses. 

Watershed Classification Assessment Tracking Tool (WCATT)

Supports the collection, editing, and reporting of Watershed Classification data for watersheds that contain Forest Service lands.  Documents priority watersheds  and tracks plans and progress for on-the-ground restoration.

Watershed Improvement Tracking (WIT)

Manages data, observations, and planning details about sites that need to be (or have been) restored or improved with the intent of benefitting watershed, wildlife and aquatic ecosystems health and function.  

Wild & Scenic Rivers (WSR)

Stores data on 125 WSRs administered by the Forest Service, as well as nearly 950 rivers being evaluated for possible future inclusion into the Wild and Scenic Rivers system.  Supports compliance  and the Forest Service's ability to share WSR data with the public via the Forest Service's Interactive Visitor Map.


Provides online data storage and analysis tools to facilitate the management of the Forest Service’s 445 federally-designated Wilderness areas and ensure accountability to the Wilderness Act.  Supports program management and required reporting, and includes optional tools for improved wilderness recreation management.


Maintains agency wildlife data for project analysis, assessments, planning, and monitoring.  Supports reporting and data-sharing with partners and other federal and state agencies.