A selection of gear used for field data collection laying on the ground, including paper and electronics

S1 Mobile Mapper Application for Android

What is it?

S1 Mobile for Android Application

The S1 Mobile Mapper is a custom mapping and field data collection application built for Android mobile devices by the Oregon/Washington Mobile GIS team, sponsored by Bureau of Land Management, Oregon/Washington State Office.

Why would you use it?

Public Users

The S1 Mobile Mapper mobile application provides the public with a simple way to download and view BLM (Oregon/Washington only) and U.S. Forest Service maps (whole U.S) for use offline while enjoying recreational activities on public lands. The public version of the app also has the ability to navigate to user defined locations, create Tracklogs, Waypoints, Sketches, and capture GeoTag photos.

Agency Users

Given that agency field personnel commonly work in remote areas with no network access, this application's emphasis is on the display, collection and update of geospatial data and attributes in an offline environment. Content is downloaded to the mobile device when connected to the internet then offline edits are synced back to servers when network connectivity is available again.

The S1 Mobile Mapper is designed to allow offline mobile field data collection capabilities not available using commercial mapping applications and to meet the specific data collection needs of the OR/WA BLM Mobile GIS program. The application leverages web services from ArcGIS organizational accounts and internal ArcGIS Server web services to distribute, collect, and update Geographic Information Systems (GIS) information by agency field personnel.

App News

The S1 Mobile application era is at an end. On January 9, 2026, the S1 Mobile Mapper for Android mobile application will be removed/unpublished from the Android Google Play and InTune Enterprise app stores. Current installs of the application should continue to work until they run up against an update requirement that will no longer allow them to work on your device based on OS or critical security patch updates. With that said, it is recommended, if you have not already done so, to pursue other available options to replace this custom mobile application with existing commercial mobile data collection apps. For Agency staff using S1 "Sync and Submit" the Oregon Washington mobile support group has implemented a Field Maps mobile solution to replace S1, and agency staff should use that option for field data collection. For agency staff please visit the internal SharePoint page with info on this Field Maps based workflow.

For public app users, it is not quite available yet, but there is a new public facing app in development provided by the National BLM Mobile team. This app should have many similar functions that were available in the S1 mobile app if you are interested in checking it out. This Website will be updated when that new mobile app is available.

Release Notes

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