State land offices are tasked with monitoring huge areas of land that come with a unique set of challenges. Encroachment. Dumping. Unauthorized structures. Cheatgrass spreading across rangeland. Lessees not stewarding land the way their agreements require. These issues are costly when caught late. And yet the traditional approach to catching them — receiving a tip, driving hours to remote properties, hiking the perimeter, hoping you find something (or hoping you don't) — hasn't changed much.
We covered this in depth in a recent webinar for state land office teams. Watch the recording →
The challenge: Too much land, not enough time
The story is almost universal among state land offices. A small team is responsible for an enormous area, sometimes millions of acres spread across an entire state, much of it remote and difficult to access.
Add in the complexity of lease and easement oversight, and the monitoring challenge becomes nearly impossible to solve with field visits alone. How do you assess whether a lessee is managing land responsibly? How do you know if grazing pressure this year looks different from last year? How do you catch dumping issues while they're early and not expensive, multi-month cleanups?
The honest answer, for most teams: you often don't.
Satellite imagery helps — if you can access it
Satellite imagery isn't a new idea for land managers. The problem has been access. The most user-friendly free tools — like Google Earth — use composite imagery stitched from thousands of different captures, which makes them great for getting oriented but useless for understanding what a specific property looked like on a specific date.
Going directly to satellite companies is expensive. Minimum order requirements can run five figures, making it impractical for a team that just needs to check a few hundred acres. And most platforms require meaningful GIS expertise to use effectively.
Lens approaches this differently. Rather than requiring agencies to work with individual vendors, Lens aggregates imagery from dozens of sources — both public (NASA, ESA, and others) and commercial (Airbus, Planet, Vantor, and others) — into a single platform. Commercial imagery is available on a per-acre basis, starting at a few cents. A full image of a 200-acre property? About $8. A partial crop of just the area you care about? Closer to 20 cents. That's a lot cheaper than a field trip to check on an issue.
Public imagery, which carries no per-acre cost, can be used to monitor large areas cost-effectively — useful when you're managing hundreds of thousands of acres.
How Lens helps
Imagery in minutes, not months
The core workflow in Lens is straightforward: add in your state lands, and the platform processes all available imagery for those areas going back roughly 20 years. From there, a split-screen compare mode lets you move a slider back and forth between two dates, scanning for changes.
In practice, this changes the math on monitoring dramatically. Issues that might take weeks of field time to discover — an encampment building up near a property boundary, vehicles accumulating in a remote corner, an RV that's been parked in the same spot for months — become visible in minutes. Teams can work through thousands of acres without leaving their desk, then direct field time to the specific locations that actually need it.
When something does need follow-up, Lens makes documentation easy. Notes attach directly to the relevant imagery, capturing coordinates, acreage, before-and-after photos, and field observations. Reports can be generated in a click — useful for state records and for demonstrating stewardship transparency.
Go beyond the snapshot: Trend analysis across your lands
For issues like cheatgrass and rangeland conditions, a single image isn't enough. What you need is trend data — and that's where Lens's analysis tools come in.
For cheatgrass specifically, one of the most reliable signals isn't visual color but timing: cheatgrass greens up earlier in spring than native vegetation. By layering multiple vegetation datasets in Lens and comparing year-over-year patterns, land managers can track whether a property's spring green-up is shifting earlier (a possible sign of increasing cheatgrass pressure) or trending later (a potential indicator that treatment is working).
Cross-referencing datasets matters here. A single cheatgrass cover layer might show a decline, but if a complementary exotic annual grass dataset tells the same story, confidence in that trend goes up considerably. Lens brings these datasets together so that cross-referencing is a matter of a few clicks rather than juggling multiple platforms.
Explore monitoring cheatgrass with Lens. Read now →
The same analysis tools apply beyond invasives. Agricultural leases can be monitored for irrigation activity, cover cropping frequency, and blading events. Forested properties can be analyzed for canopy loss and the timing of clearing. Burn history and vegetation recovery can be tracked across fire-affected areas. Whatever story the land is telling, the data is there to read it.
Catch issues earlier without constant manual review
Even the most engaged team can't be watching every property all the time. Lens Lookout, the platform's change detection tool, handles the continuous monitoring layer automatically.
Using public imagery refreshed every three to five days, Lookout can be configured to flag unseasonal vegetation drops (a signal for clearing, new well pads, or overgrazing), fire activity, land cover changes, and other conditions of interest. The system understands what's typical for each property at each time of year — so it won't alert you to snow falling in December, but it will flag a disturbance in May that breaks the normal seasonal pattern.
For encroachment, dumping, and other issues that are harder to detect in lower-resolution imagery, Lens agent goes further. Using AI and high-resolution commercial imagery, the agent can be configured with custom monitoring criteria — anything visible to the human eye — and run across thousands of acres automatically. In a recent test, the agent monitored 29,000 acres across 20 properties in 17 minutes, surfacing 40 items for human review.
The human reviewer then works through those flagged observations, dismisses the false positives, and flags genuine issues for follow-up. What might have taken months of field time to surface is compressed into a fraction of an afternoon.
Inventory issues with the Lens agent
Lens makes it easy to detect and triage new issues as they happen. But we can also help inventory existing issues that have gone unnoticed over past years. This is another use case where the Lens agent shines. Our team can deliver a list of areas that might need your attention, and it takes only seconds to determine how old an issue is and when it happened. You can rest assured that your oversight of state lands is complete and there aren't any surprises lurking out there.
More purposeful time in the field with Lens
The goal of Lens isn't to replace time in the field. It's to change how that time is spent.
When a small team can identify issues in hours rather than months, the field visits they do take are purposeful — confirming a flagged encroachment, following up on a documented change, building ground-truth data to calibrate what the satellite imagery is telling them. The work becomes more targeted, more documented, and more defensible.
Ready to see Lens in action? Contact us to set up a demo of your state lands.
