| Pecora 21 - ISRE 38 | II |
| Industry News | 2 |
| Table of Contents | 3 |
| Are We Sinking? National Geospatial-Intelligence Agency Visits LSU Campus to Measure Subsidence | 5 |
| An Interview – Dr. David F. Maune discusses the new DEM Users Manual, 3rd Edition | 7 |
| Book Review – GIS for Surface Water Using the National Hydrography Dataset | 11 |
| Certification | 12 |
| Grids & Datums – The French Republic | 13 |
| Signatures – Column of the Student Advisory Council | 16 |
| Journal Staff | 17 |
| ASPRS News | 17 |
| New Members | 17 |
| Calendar | 18 |
| Ad Index | 18 |
| Simultaneous Chain-Forming and Generalization of Road Networks | 19 |
| Integration of Lidar Data and GIS Data for Point Cloud Semantic Enrichment at the Point Level | 29 |
| Assessment of Different Vegetation Parametersfor Parameterizing the Coupled Water Cloud Model and Advanced Integral Equation Model for Soil Moisture Retrieval Using Time Series Sentinel-1A Data | 43 |
| Individual Tree Detection and Crown Delineation with 3D Information from Multi-view Satellite Images | 55 |
| Sustaining Members | 64 |
| The Potential of Multispectral Vegetation Indices Feature Space for Quantitatively Estimating the Photosynthetic, Non-Photosynthetic Vegetation and Bare Soil Fractions in Northern China | 65 |