Conterminous U.S. and Alaska Forest Type Mapping Using Forest Inventory and Analysis Data by Ruefenacht, B, Finco, M.V, Nelson, M.D, Czaplewski, R, Helmer, E.H, Blackard, J.A, Holden, G.R, Lister, A.J, Salajanu, D, Weyermann, D, Winterberger, K

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Cloud-Free Satellite Image Mosaics with Regression Trees and Histogram Matching by Helmer, E.H., Ruefenacht, B.

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Mapping U.S. forest biomass using nationwide forest inventory data and moderate resolution information by Blackard, J.A., Finco, M.V., Helmer, E.H., Holden, G.R., Hoppus, M.L., Jacobs, D.M., Lister, A.J., Moisen, G.G., Nelson, M.D., Riemann, R., Ruefenacht, B., Salajanu, D., Weyermann, D.L, Winterberger, K.C., Brandeis, T.J., Czaplewski, R.L., McRoberts, R.E., Patterson, P.L., Tymcio, R.P.

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Detailed maps of tropical forest types are within reach: Forest tree communities for Trinidad and Tobago mapped with multiseason Landsat and multiseason fine-resolution imagery by Helmer, E.H., Ruzycki, Thomas S., Benner, Jay, Voggesser, Shannon M., Scobie, Barbara P., Park, Courtenay, Fanning, David W., Ramnarine, Seepersad

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Mapping tropical dry forest height, foliage height profiles and disturbance type and age with a time series of cloud-cleared Landsat and ALI image mosaics to characterize avian hab... by Helmer, E.H., Ruzycki, Thomas S., Wunderle, Joseph M., Vogesser, Shannon, Ruefenacht, Bonnie, Kwit, Charles, Brandeis, Thomas J., Ewert, David N.

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Root biomass allocation in the world's upland forests by Cairns, M.A, Brown, S, Helmer, E.H, Baumgardner, G.A

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Forest conservation and land development in Puerto Rico by HELMER, E. H

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Aluminum Geochemistry in Peatland Waters by Helmer, E. H., Urban, N. R., Eisenreich, S. J.

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